Dear Sirs, We are a
manufacturer of SSAW and ERW steel pipe, named North China Petroleum
Steel Pipe Co.,Ltd in China, the website: www.hyssp.com.
The scope of SSAW steel pipe production line is
219mm-2200mm in outside diameter, 6mm-20mm in wall thickness and its
annual production capacity is 300 thousand tons
The scope of ERW steel pipe production line is 177.8mm-508mm in outside
diameter, 3.4mm-15.9mm in wall thickness and its annual production
capacity is 150 thousand tons
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