Gold Pipe Manufacturing Co., Ltd. Hebei billion (www.yijinguanjian.com) is located in Cangzhou City, Hebei Province, Yanshan Puwa Industrial Development Zone, Contact: Alan Li through the use of steel welded elbow is a thermoforming or by forging Elbow, the connection method is through molding technology and steel butt welded elbow bend, use resistance heat along the entire end face of the two workpieces simultaneously welded together, there is usually resistance butt welding and flash butt welded bend two methods head manufacturers, high productivity, it is easy to automate large welded elbow, so has gained wide application, generally 45 degree elbow butt welded elbow elbow standard 90 degree elbow, 180 degree elbow, etc. materials are carbon steel, alloy steel and stainless steel. Billion of the company's main pipeline: pipe flange series, Elbow Bend series intubation series, pipe fittings series, opening equipment series, Tee series. All of our products are in accordance with U.S. ASME standard, DIN standard, JIS standard, Chinese GB / Y, JB, SH, HG and other standards for production. Our products are widely used in petroleum, chemical, pharmaceutical, power, space, fire, metallurgy, shipbuilding, gas, construction plumbing and environmental protection industries.