Hebei huayang steel pipe co. ltd. -

Hebei huayang steel pipe co. ltd.

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hot-expand steel pipe
Specification: according to customer's demand
Detail: attached later

erw steel pipe
Specification: according to customer's demand
Detail: using electric-welded automatically, there is no filler in the pipe. The function of welded seam structure equals its parent metal,wide range of application and strong adapatability


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