The co***ny"s existing 5 spiral steel pipe production line, capable of producing §æ219 - §æ2520 mm double-submerged arc welding pipe, a wall thickness of 5-18 mm, registered trademarks, "Wuzhou" card, a product complies with SY/T5037-2000 standards, GB/T9711.1-1997 standards and the standard API Spec 5L ....
Products List
Contact Us
Company:
Cangzhou city Spiral Pipe limited liability co***ny