It is a subsidiary of Hebei Hengtai Industry and Trade Group Co., Ltd. It also includes Hebei Hengtai Pipeline Equipment Import and Export Trading Co., Ltd., Hebei Hengtai Construction Machinery Precision Casting Co., Ltd., Cangzhou Hengtai Zeyuan Anticorrosive Pipeline Co., Ltd., and Yanshan Wanlong Pipeline Technology Co., Ltd.
There are various types of seamless pipes for specialized purposes, such as seamless pipes for boilers, seamless pipes for chemical power, seamless steel pipes for geology, and seamless pipes for petroleum.
Supplied according to chemical composition and mechanical properties; Supplied according to mechanical properties; Supply according to hydraulic test. Steel pipes supplied in categories a and b, if used to withstand liquid pressure, must also undergo hydraulic testing.
Used for gas, water, and oil transportation in the petroleum and natural gas industries
