- Business Type:
- Total Revenue:
- Main Products:
- seamless steel pipe production line pipe thermal expansion series, the Heat Pipe Series,<br /> ERW Pipe Series, spiral pipe, oil casing series of steel tubes, thick-walled seamless<br /> tube of various series of thick-walled pipe welding products bailiffs OK GB, the US<br /> standard, Germany, and other countries su
Contacts
- Ms. sun qingzhi