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Our products execute the domestic standards and international standards include: GB8162-1999 、 GB3087-82 、 GB8163-1999 、 GB5310-1995 、 GB5312-1995 、 GB6479-1999 、 API 5L 、 ASTM A106 、 GB14976-94 with the outer diameter of 6 — 610mm ,thickness of 1 — 30mm.

China

Pipe / Profile Manufacturer

     
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