We mainly provide tubs/pipes in cold/hot-rolling and cold/hot-drawing process according to non-standard and international standards, including ASTM, ASME, EN, DIN, GOST, GB/T and so on. Here are our main seamless steel tubes/pipes in detail: 1 seamless steel pipe for geological drill and mining to GB/T9806-2008, Q(N)/XYY118-2010(self-developed standard) 2 precision steel tubes to DIN2391/EN10305, DIN2391/C EN10305-4, DIN2393/EN10305-2, ASTM A513, ASTM A519 3 boiler and pressure system steel tubes to DIN17175/EN10216-2, ASTM A179, ASTM A192, ASTM A210, ASTM A213 4 oil and gas pipes to ASTM A106/API5L 5 structural steel tubes to DIN1629/EN10216-1, EN10297, DIN2440/DIN2441 and EN10255 6 rectangle , square steel tubes, shaped steel tubes to ASTM A500 We also provide cold pilger mills and fittings such as joints, elbows and flanges