hebei zhonghai steel pipe manufacturing co., ltd
seamless steel pipe,spiral steel pipe
China Hebei Zhonghai Steel Pipe Manufacturing Co, .Ltd is one of the best professional manufacturers specializing in producing:
1. Seamless steel pipe (Hot-expanded and hot-rolled steel pipe),
2. SSAW steel pipe(Spiral-seam steel pipe),
3. LSAW steel pipe(Straight-seam steel pipe),
4. ERW steel pipe(Electric Resistance Weld).
Our company manufactures various kinds of diameter (89mm--1220mm) and wall thickness (2mm--60mm). Not only base on ISO9001-2000 series, but also passed the certification of API. And the annual production capacity reaches 200000tons, the quantities of export is 80000tons per year.
They are applicable to extraction and processing of petroleum and natural gas, pipeline transportation, machine-building industry, boiler making, and the big construction item。