Shanghai XiDi Pipe Fittings Co., Ltd., is an intelligent entity specializing in developing, manufacturing and selling pressure pipe units. The main products contain flanges, elbows, tees, reducers, bends, stub ends, caps, forged socket welding fittings and threaded fittings and the materials of its products contain carbon steel (A105, A106, 20#, 20G, Q235, 16Mn), stainless steel (304, 304L, 316, 316L, 1Cr18Ni9Ti) and alloy steel(12Cr1MoV, Cr5Mo, 10CrMo910, 15CrMo, ASTM A234 WP1, WP12, WP11, WP22). All products can be manufactured upon some standards such as American Standard ASME/ANSI and MSS, German Standard DIN, Chinese Standard GB/T, SH, HG, JB, SY and Japanese Standard JIS, while some non-standard products can be manufactured upon users' drawings. In addition, the insoluting joint developed and manufactured by our company can be widely applied to cathodic protection system of steeliness pipeline used in delivering oil, gas and water.