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Equal tee, means the branch diameter of this tee is same with the main pipe (Run pipe) diameter of this tee. When we see only one size of tee in its description, it means this tee is the equal tee. for example, 6″ Tee mean the tee main pipe and branch pipe both are 6 inches. Sometimes the equal tee also described 6″X 6″ which is the same meaning of 4″ tee. ​ A Lateral pipe tee means a pipe fitting which is similar to a tee but has a side opening outlet branch at a 45 degree angle. It is a kind of steel pipe tee, but the branch direction is different with the straight tee . On the contrary to the lateral tee, the straight tee has a branch pipe direction of 90 degree to the run pipe. The difference between equal tee and lateral tee: When the usage of the 90 degree tees in the pipe system, the fluid go through the tee will bear a littlebigger resistance. So there may have turbulence flow resistance. It will wastemore energy. The Type Y tee let the angle of branch pipe and main pipe be a acute angle. This design angle normallyis 30 to 60 degrees. So this kind of tee, not only reduced the resistance alsonot allow the turbulence flow happen. It is stable pipe fittings and savingmore energy. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

At present, China made stainless steel seamless pipe technology is pided into cold drawn pipe and cold rolled pipe, the process of the two pieces of what is the difference, use the same? Here we make a brief introduction. Seamless cold drawn pipe we usually say to pull the pipe, is to use the abrasive pipe to support large, support round. Cold rolled on the contrary, there are fixed outside the mold, the hole has a fixed mandrel, from the outside to make his thickness thinning. Before pulling the pipe annealing, cold rolling will not. Pull pipe is in the pipe after annealing, broaching a road reaming after reducing the production of stainless steel seamless pipe, compressive strength, flexibility, and process performance, etc. are better than the ordinary pipe. Now in the production of stainless steel seamless pipe in Zhejiang Province is commonly used when the drawing of the production technology, but the production of higher efficiency 2 roller cold rolling unit appears, many manufacturers have the strength of the equipment, as expensive, generally Manufacturers to buy a small number. It is precisely because of their differences in production and processing technology, but also makes pull pipe and cold rolled pipe has the following differences: A: The drawing pipe and rolling pipe produced by the product, although the industrial pipe, but the application of different areas, generally used for mechanical pipe pull, heat exchanger pipe, pipe engineering, and rolling pipe is generally used for construction In the fluid transport pipeline; 2: seamless pipe and rolling pipe processing methods and product quality is different; Laguan more processing processes, fewer defects, high precision, uniform grain size; Three: the two prices are different from the pipe to pull the pipe to be slightly more expensive price; Four: the current stainless steel pipe can only be limited to caliber 38 159 between the pipe, the other is still Laguan process. Due to the production process pipe size is relatively accurate. In the purchase of pipe, is the choice of pipe or pipe rolling, but also with the actual situation needs to choose. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

As to what is currently the regulated industry fast development today, in your way of life and work, can be seen in a multitude of locations the Pipe bends, the electric power, petroleum, Marine, chemical industry along with other fields of application is quite extensive, mainly used in oil, gas, fluids, etc., on aircraft and it is engines more occupies an essential position. In these a crucial use cases, standards and regulations from the bending process is essential. Below small make-up will tell you something about Pipe bends process regulations and standards. First, all pipe bends must be in accordance with relevant standards and regulations processing (bend to horizontal flat vertical, span and spacing should comply with the requirements of the specification). It doesn’t matter what kind of height are not in a position to bend processing to seem unstable condition. Second, pipe processing material must be qualified through inspection, deformation, crack defects like pipe bends rack pole, fittings and fasteners, is strictly prohibited bend fasteners, fittings may repair welding means. Third, pipe bend‘s surface must level off, the ramming, solid, the metal substrate must level off, shall have no deformation, the ground is soft and sweeping rod or plate can be used to raise the bearing surface while increasing stability. Fourth, springboard have to be laid about the bend and tidy, width, length should be consistent (except for special parts). Any springboard must be fixed tightly around the bend, platform surface should not have larger holes (except for special parts). Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Pipe reducers are tube fittings that are widely used in a number of industries in order to providing greatest connection flexibility in connecting fractional tubes in various installations. Pipe reducer is a kind of pipe fitting that joins two pipes of different diameter. The pipe reducers are available in a range of materials depending on the end use of the products and these fittings are manufactured in inch and metric size. ​ Pipe reducers allow for a change in pipe size to meet hydraulic flow requirements of the system, or to adapt to existing piping of a different size. Reducers are usually concentric but eccentric reducers are used when required to maintain the same top-or bottom-of-pipe level. Pipe reducers of molding process is complicated, need according to the use of the different material and welding, gradually forming under the certain pressure. Push system bend forming shall be carried out according to certain procedure, strictly abide by the corresponding process flow, or produce the elbow push system can produce quality problem. Pipe reducers forming technology of the basic process is: first, welding a cross section of a polygon or both ends closed multi multi ring shell fan shell, after the internal filled with medium pressure, with inner pressure and internal pressure under the action of cross section of polygonal gradually became round, and eventually become a circular ring shell. According to the need of a circular ring shell can be cut into four 90 – degree bend or six 60 degrees bend or other specifications elbow, diameter and in the process is suitable for manufacturing elbow bend diameter than any specifications Pipe reducers is greater than 1.5, is the ideal method of manufacturing Pipe reducers. This process molding method used in the production of different bend, show good use value in different areas, the process in the different Angle to make good value. Pipe reducers general carbon content is higher in carbon steel, the greater the hardness, the higher the strength also, but low plasticity. Mainly refers to the mechanical properties depend on the carbon content in steel, and generally do not add a lot of alloy element in steel, sometimes referred to as the carbon steel or carbon steel. Carbon steel or carbon steel, carbon content WC is less than 2% of the iron carbon alloy. Except carbon usually contains a small amount of silicon, manganese, sulfur, phosphorus can according to the use of carbon steel three classes of carbon structural steel, carbon tool steel and easy cutting steel, carbon structural steel is pided into building structural steel and machine manufacturing structural steel two kinds; According to the steel can be pided into the open hearth furnace, converter steel smelting method and electric steel; According to the deoxidization methods can be pided into rimming steel, killed steel, half killed steel and special killed steel; According to carbon content can be pided into low carbon steel to carbon steel, medium carbon steel and high carbon steel. According to the phosphorus, sulfur content can be pided into ordinary carbon steel to carbon steel, quality carbon steel and high quality steel and super high quality steel. The advantages of Pipe reducers manufacturing mainly manifested in the following aspects: 1, the billet for tablet or developable surface, thereby blanking is simple, easy to guarantee accuracy, convenient assembly welding. 2, does not need tube billet as raw material, can cut down the cost of pipe equipment and mould, and can get any big diameter and wall thickness is relatively thin carbon steel elbow. 3, because do not need any special equipment, especially suitable for processing large carbon steel elbow in site. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Most of us are aware of stainless steel as it is commonly used in the manufacturing of utensils. But ask anybody the difference between alloy steel and carbon steel and the chances are that you will draw a blank. Steel is an alloy that mostly contains iron. But its properties can be changed to suit specific requirements by adding certain other elements. This explains the differences between alloy steel and carbon steel. As the name indicates, alloy steel has other elements added to it whereas carbon steel is a kind of steel having higher carbon content. There are other differences also that will be talked about in this article. Carbon steel Carbon steel is mainly composed of two elements of iron, carbon, and generally do not add a lot of alloy element in steel, sometimes referred to as the carbon steel or carbon steel. Carbon steel in addition to carbon generally contain small amounts of silicon, manganese, sulfur, phosphorus by purpose can be pided into carbon structural steel, carbon tool steel, the carbon steel and structural steel cutting three categories. Carbon structural steel is pided into building structural steel and machine manufacturing steel two kinds, according to carbon content can be pided into low carbon steel (WC 0.25% or less) to carbon steel, medium carbon steel (WC0.25 % – 0.6%) and high carbon steel (WC > 0. 6%), according to the phosphorus, sulfur content can be pided into ordinary carbon steel to carbon steel (high phosphorus, sulfur, high quality carbon steel, low phosphorus, sulfur) and high quality steel (containing phosphorus, sulfur, lower), the higher the carbon content is higher in general carbon steel, hardness, the higher strength, but low plasticity. Carbon steel with good performance, easy processing, low cost, the most widely used in engineering, the usage is the largest, but the performance of the carbon steel can not meet the requirement of the higher performance in many aspects, mainly displays in: 1, the strength is lower 2, low hardenability 3 low and high temperature strength 4, red hardness difference 5, tempering poor stability 6, can’t meet the requirements of particularity In order to solve some of the pitfalls of carbon steel, improve the performance of the steel to obtain a better performance than carbon steel, hard, plastic toughness, corrosion resistance, dimensional stability, resistance to friction performance, free cutting, etc., with the purpose of adding some alloying elements in iron carbon alloy, alloy steel are formed. Alloy steel is to point to in addition to containing silicon and manganese as alloying elements in steel or solid elements, also contain other alloying elements such as chromium, nickel, molybdenum, vanadium, titanium, copper, tungsten, aluminum, cobalt, niobium, zirconium and other elements, etc.), some still contain some nonmetallic elements (such as boron, nitrogen, etc.) of the steel. According to the content of alloying elements in steel, and can be pided into low alloy steel, alloy steel and high alloy steel. Alloy steel Alloy steel is a type of steel that has presence of certain other elements apart from iron and carbon. Commonly added elements in alloy steel are manganese, silicon, boron, chromium, vanadium and nickel. The quantity of these metals in alloy steel is primarily dependent upon the use of such steel. Normally alloy steel is made to get desired physical characteristics in the steel. Alloy steels are pided into low alloy steels and high alloy steels. When the percentage of added elements goes past 8 (in terms of weight), the steel is referred to as high alloy steel. In cases where added elements remain below 8% by weight of the steel, it is a low alloy steel. Low alloy steels are more common in the industry. In general, addition of one or more of such elements to steel makes it harder and more durable. Such steel is also resistant to corrosion and tougher than normal steel. To alter the properties of steel, it needs heat treatment when elements are added to it. To keep the alloy steel weldable, carbon content needs to be reduced. As such carbon content is lowered down to 0.1% to 0.3% and alloying elements are also decreased in proportion. These alloys of steel are known as high strength, low alloy steels. You would be surprised to know that stainless steel is also an alloy steel with a minimum of 10% of chromium by weight. Alloy Steel vs Carbon Steel • There are many types of steels such as alloy steel and carbon steel • As the names signify, alloy steel is the type of steel formed by addition of various other elements in the steel through heat treatment. • Carbon steel on the other hand is steel that has primarily carbon in it and does not require any minimum percentage of other elements. • Carbon steel is the type of steel predominantly used in the US • Stainless steel is a kind of alloy steel Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

A gasket is a mechanical seal which fills the space between two or more mating surfaces, generally to prevent leakage from or into the joined objects while under compression. Gaskets allow “less-than-perfect” mating surfaces on machine parts where they can fill irregularities. Gaskets are commonly produced by cutting from sheet materials. Gaskets for specific applications, such as high pressure steam systems, may contain asbestos. However, due to health hazards associated with asbestos exposure, non-asbestos gasket materials are used when practical The choice of gasket materials that depends on the following three factors: temperature, pressure and medium. 1. Carbon Steel: Recommended maximum working temperature does not exceed 538 ℃, especially when the medium having oxidation time. Quality thin carbon steel plate ground is not suitable for the manufacture of inorganic acid, neutral or acidic salt solution equipment, if subjected to the stress of carbon steel, the accident rate for equipment under hot working conditions is very high. Carbon steel gaskets are usually used for high concentrations of acid and alkaline solution many. Brinell hardness of about 120. 2. 304 stainless steel (18-20% chromium, nickel, 8-10%), the recommended maximum operating temperature does not exceed 760 ℃. Within a temperature range of -196 ~ 538 ℃, prone to stress corrosion and intergranular corrosion. Brinell hardness of 160. 3. 304L stainless steel carbon content of not more than 0.03%. Recommended maximum working temperature does not exceed 760 ℃. Corrosion resistance similar to 304 stainless steel. Low carbon content reduces the precipitation of carbon from the lattice, intergranular corrosion resistance can be higher than 304 stainless steel. Brinell hardness of about 140. 4. 316 stainless steel (chromium 18%, nickel 12%), an increase of about 2% molybdenum in the 304 stainless steel, when the temperature increases strength and corrosion resistance can be improved. When the temperature is higher than other ordinary stainless steel has a higher creep resistance. Recommended maximum working temperature does not exceed 760 ℃. Brinell hardness of about 160. 5. 316L stainless steel recommended maximum continuous operating temperature does not exceed 760 ℃ ~ 815 ℃. With respect to the carbon content of not more than 316 stainless steel has better resistance to stress and intergranular corrosion. Brinell hardness of about 140. 6. Alloy of 45% iron, 24% nickel, 20% chromium and small amounts of molybdenum and copper. Recommended maximum working temperature does not exceed 760 ℃ ~ 815 ℃. Particularly suitable for the manufacture of sulfuric acid corrosion resistance equipment, Brinell hardness of about 160. 7. Aluminum (containing not less than 99%). Aluminum has excellent corrosion resistance and processing properties, for the manufacture of double-clip gasket. Brinell hardness of about 35. Recommended maximum continuous operating temperature does not exceed 426 ℃. 8. Copper copper composition close, it contains trace amounts of silver to increase its continuous work degree. Recommended maximum continuous operating temperature does not exceed 260 ℃. Brinell hardness of about 80. 9. Brass (66% copper, 34% zinc), in most operating conditions with good corrosion resistance, but not suited ammonium acetate, salt and acetylene. Recommended maximum continuous operating temperature does not exceed 260 ℃. Brinell hardness of about 58. 10. Hastelloy B-2 (26-30% molybdenum, 4-6% nickel and 62% iron). Recommended maximum working temperature does not exceed 1093 ℃. The concentration of hydrochloric acid which has excellent heat resistance. It has excellent moisture hydrogen chloride gas corrosion, sulfuric acid, phosphoric acid and reducing salt solution corrosion performance. Having high strength at high temperatures. Brinell hardness of about 230. 11. Hastelloy C-276 16-18% molybdenum, 13-17.5% chromium, 3.7-5.3% tungsten, 4.5-7% iron, the rest are a nickel). Recommended maximum working temperature does not exceed 1093 ℃. It has excellent corrosion resistance. Try a variety of cold or nitric acid concentration of 70% boiling nitric acid has excellent corrosion resistance, has good resistance to hydrochloric acid and sulfuric acid corrosion resistance and excellent resistance to stress corrosion. Brinell hardness of about 210. 12. Inconel 600 nickel-base alloy (77% Ni, 15% Cr and 7% Fe). Recommended maximum working temperature does not exceed 1093 ℃. Having high strength at high temperatures, typically used need to address the problem of stress corrosion equipment. At low temperatures, with excellent workability. Brinell hardness of about 150. 13. Monel 400 (30% copper, nickel recommended maximum continuous operating temperature does not exceed 815 ℃. In addition to strong oxidizing acid, the most acids and alkalis have excellent corrosion resistance in hydrofluoric acid, mercuric chloride, mercury medium easy to produce stress corrosion cracking, therefore, not suited for the medium. hydrofluoric acid is widely used in the manufacture of equipment. Brinell hardness of about 120. 14. The titanium Recommended maximum working temperature does not exceed 1093 ℃. At high temperatures, it has excellent corrosion resistance. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Stainless steel elbow processing power by virtue of conventional or special punch means so that the sheet in the mold which can withstand deformation forces and deformation, to obtain the production skill must shape, size and function of commodity parts. Sheet metal, mold and apparatus for stamping are three elements. Because stainless steel elbow with an inner wall lubrication, HTM activity resistance, acid and alkali, using a long life, means convenience and other advantages. In recent years, the heating system has been widely used, GB stamping elbow as a new generation of dedicated heating pipe heating being gradually become the mainstream mall merchandise. Under normal circumstances it is based on the group to the point of semi-finished products of solid factory construction site pipeline welding seam according to grade, which is also known as the two halves welded elbow. Stainless steel elbow trends: GB stamping elbow material not only have qualified creep breaking curve, and the pipe price is moderate, compared to other varieties of construction fast and convenient way of convergence attributed most reliable standard now each melt during the melt Cohesion approach, fittings as standard parts of the pore size greater than the inner diameter of the pipe in the system because no local necking of the mechanical cohesion way, so the system is relatively fluid resistance is relatively small. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Flange forgings (including the forging rolling) technical requirements. 1, forgings (including the forging rolling) the level of its technical requirements should be consistent with the corresponding requirements JB4726-4728. 1. 0.25MP-1.0MPa Nominal pressure PN is carbon steel, austenitic stainless steel forgings forging allows the use of grade Ⅰ. 2. In addition to the following provisions, the nominal pressure PN is 1.6MPa-6.3MPa forgings should meet Grade Ⅱ or above grade Ⅱ forging level requirements. 3. One of the following cases, Ⅲ and forgings shall comply with the requirements of: (1) Nominal pressure PN ≥ 10.0MPa flange forgings; (2) Nominal pressure PN> 4.0MPa chrome molybdenum steel forgings; (3) Nominal Pressure PN> 1.6MPa and the temperature ≤ -20 degrees Celsius ferritic steel forgings. 2, with neck butt, with neck flat welding, socket welding and threaded flange forging or forging generally use the rolling. process is made. When using steel or steel manufacture, must meet the following requirements: 1. Steel plate shall be subject to ultrasonic testing, non-hierarchical defect; 2. Shall be cut along the rolling direction of steel strip, after bending butt into the ring and make rings formed on the surface of steel cylinder. Shall not be used directly machined into a steel plate with a neck flange; 3. Ring butt weld should be full-penetration weld; 4. Ring butt weld heat treatment after welding should be carried out and to make 100%-ray or ultrasonic flaw detection, and in line with JB4730-ray flaw detection of the II-level requirements, ultrasonic flaw detection of the I-level requirements in line with JB4730. 3. Belt neck flat welding flange, threaded flange socket welding flange and the outer slope of the neck should be no more than 7o. We have adopted advanced production equipment and technologies to manufacture our erw steel pipe and weld neck flange, which can not only improve product quality, but also save raw materials. Our products have high strength, good toughness and resistance to corrosion. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Flange connection is to two pipes, fittings or equipment before each fixed at a flange on the flange between the two, together with flange pad, fastened together with bolts to complete the connection. Some of pipe fittings and equipment have been built-flange, also falls within the flange connection. Sub-threaded flange connection (wire tapping) flange and welding flange. Low-pressure small-diameter wire access flange, high pressure and low pressure are the use of large-diameter welded flange, different pressure, flange thickness and bolt diameter and the number of connections are different. The different grades based on the pressure, flange pad also has a variety of materials, from the low-pressure asbestos pad, high-pressure pads to the metal pads are asbestos. Flange easy to use, able to withstand greater pressure. In the industrial pipeline, the use of a wide range of flange connection. Within the family, pipe diameter is small, but also ow-voltage, see flange connection. If a boiler room or a production site, full of flanged pipes and equipment. Flange connection is to two pipes, fittings or equipment before each fixed at a flange on the flange between the two, together with flange pad, fastened together with bolts to complete the connection. Some of pipe fittings and equipment have been built-flange, also falls within the flange connection. Note that connection, especially when the bolt fastening the time to do the same as all the bolts tight. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

Today, the best pipe fitting manufacturer which name is wilsonpipeline Pipe Industry Co., Limited would discuss with us about the future development for the industry of stainless steel pipe fittings. From the website of this company which URL is www.wilsonpipeline.com , we could find that the future development of this industry could be reflected on three major industries which are automotive industry, water industry and the industry of Industrial facilities. First is about the Vehicles and Automotive Industry. As we all know, this is currently the fastest growing application area for the stainless steel pipe fitting, seamless elbow , tee, reducer, cap and forged flange. Countries such as Japan, U.S., Sweden and other countries have widely used the stainless steel pipe fittings on their vehicles exhaust pipe. From the 1980s, Japan has began to promote the stainless steel accessories on their vehicle. The A403 WP304 WP316 stainless steel pipe fittings and A860WPHY65 BW pipe fitting is the new stainless steel products of the wilsonpipeline Pipe Industry. The second is about the water industry? As the opinion from the expert of this area, the Butt Weld Pipe Fittings and stainless steel pipe fittings are the best material and desalination for the water preparation, storage, transportation, purification and regeneration of water industry. The Butt Weld Pipe Fittings and stainless steel pipe fittings of zhejiang wilsonpipeline have the character of safety, health, environmental protection and affordable. These advantages have attracted more and more people’s attention. These pipe fittings such as the A234WPB seamless elbow pipe fittings and A420WPL6 equal tee has been used in drinking water systems, thermal water system and heating system. The third point is related to the environmental protection industry. As we all know, the treatment plant for industrial waste gas, waste and sewage requires the use of stainless steel products especially for the stainless steel pipe fittings. There will be rapid development for the industry of the environmental protection and this good development trend would provide many business opportunities for the manufacturer for the stainless steel pipe fittings. The last area for the application about the carbon steel pipe fittings are the industrial facilities. The proportion of the application about stainless steel industry in industrial facilities is generally 15 percent to 20 percent. The domestic application has obtained a very small percentage. With the improvement of the quality of the domestic stainless steel products and special grades of product development, the future application of stainless steel pipe fittings in the domestic industrial facilities will be increased year by year. From all of the description we have told you before, you could find that the future development of the pipe fittings industry especially for the stainless steel pipe fittings industry would have great increasing. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

When a piping project not works well, the steel pipes and pipe fittings are always facing the wear resistant problem, especially when some impurity, sands,slurry in the flowing liquid .  Some technical measures should be taken to reduce wear and tear about pipe and fittings . 1.We should assess the liquid condition when choose the steel material of the pipe fittings . Should we use the common steel material?  or the wear resistant steel ? or should we arrange the wear resistant coating or lining materials? cement lining or ceramic lining? 2. The special treatment for pipes or pipe fittings. For example , the steel elbows. The outer radius of the elbow is grinded most seriously,  we can add some thickness to this part of the elbows.  This is also happened to other pipe fittings, like tees , reducers. 3. To the steel pipes , concentric reducers and caps ,  they can rotate in any degree and piping system . When they are in the horizontal direction ,  due to wear of the maximum bottom, on both sides, followed by the top of the minimum, therefore, the pipes an fittings could periodically inverted, it will extend the life of the piping system . 4.The position, direction and the angle of the pipe fittings also will effect the abrasion situation . If the position is not suitable , the flowing liquid will cause cavitation. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)

The current domestic stainless steel pipe fittings industry development direction must be reversed, slam the door, and so on, rely on thought. Now part of pipe fittings factory has begun to overhaul, from before the full production to production, but the impact is relatively limited production, the market does not yet have reversed the basis of the condition. Whether maintenance, restricting output production, only when the crude steel output real qualitative decline after a certain period of time, you can really alleviate contradiction between supply and demand, pipe market will turn around. Factory production capacity is the key of the lending bank monitoring or not. Once the blast furnace production, enterprise cash flow problems, the Banks would withdraw loans, steel mills will get into financial difficulties, and keep high become of steel mills. Iron and steel industry all poor earnings, are reversed transmission steel energy-saving gradually open the market. Represented by sintering waste heat boiler steel energy-saving equipment technology is mature, and obtained the general recognition of the steel mill. According to the personage inside course of study to estimate, steel and waste heat boiler burning market space of more than ten billion yuan, related equipment manufacturer has good prospects for development. We have adopted advanced production equipment and technologies to manufacture our pipe elbows and pipe caps, which can not only improve product quality, but also save raw materials. Our products have high strength, good toughness and resistance to corrosion. At present, China’s pipe fittings industry overcapacity situation remains very serious, plus a slowing economy, weak market demand, these affect the market’s basic contradiction is not solved, so the prices recover strength is not strong. Source: wilsonpipeline Pipe Industry Co., Limited (www.wilsonpipeline.com)