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. Spiral steel pipe,
3. Straight-seam steel pipe,
4. ERW steel pipe.
Our company manufactures various kinds of diameter (219mm--1220mm) and wall thickness (6mm--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.