About Us
China CANGZHOU SPIRAL STEEL PIPE CO LTD (qq 741952741, zhangli.hello at 163 DOT com) is professional SSAW DSAW spiral steel pipe manufacture with 20 years. With standards of API 5L PSL1 PSL2, ASTM A252,ASTM A134,ASTM A139, DIN2440, AWWA C200, ASTM A671. ASTM A672, ASTM B 36.10,...
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