2x2 Galvanized Tubing size chart Our History Tianjin Xing Xin Tong Metal Technology Co., Ltd. is a brand of Xing Jian Holding Group. The group is headquartered in Beijing, the registered capital reaches to 15.6 million dollars, Tianjin Xing Xin Tong Metal Technology Co., Ltd. is professionally serves for fire fighting, gas, water supply, drainage, building structure, agricultural facilities and other fields. The main products include ERW steel pipe, hot dipped galvanized steel pipe, pre-galvanized steel pipe, hollow section, seamless pipe, SSAW steel pipe, LSAW steel pipe, steel plate coil, pipe fittings and others. The standards we are carrying out include API 5L, ASTM A53, ASTM A106, BS 1387, BS 1139, JIS G3444, EN10219 and etc. Tianjin Xing Xin Tong Metal Technology Co., Ltd. has passed the certification of ISO9001 quality management system, ISO14001 environmental management system, ISO45001 occupational health and safety management system, AAA credit enterprise, five-star commodity after-sale service evaluation system. The team members have more than 10 years of working experience in this industry, and can comprehensively solve the problems you encounter in various domestic and foreign projects. The core members of the company are members of the Steel Pipe Sub-Committee of the National Steel Standard Commission. They own dozens of industry patents and are the co-formulators of national implementation standards such as GB/T3091-2015 銆妛elded Steel Pipe for Low-pressure Fluid Transportation銆? GB/T28897-2021 銆奡teel-plastic Composite Pipe and Pipe Fittings for Fluid Transportation銆? Tianjin Xing Xin Tong has always been adhering to the business philosophy "honest and trustworthy, open and inclusive, sunshine and enterprising, co-existence and mutual benefits", serving customers with professional technology and become the first-class material supply service provider. Our Product ERW steel pipe, HDG steel pipe, pre-galvanized steel pipe, hollow section, seamless pipe, SSAW steel pipe, LSAW steel pipe, steel plate coil, pipe fittings. Product Application Fire fighting, gas, oil, water supply, drainage, building structure, agricultural facilities and other fields. Our Certificate ISO9001, ISO 14001, ISO 45001, AAA credit enterprise.2x2 Galvanized Tubing size chart website:http://www.xxtsteels.com/