Yantai Huaneng Steel Pipe Co., Ltd

http://indomonster.com/huaneng_pipe

Selling seamless steel pipe. Standards as follows:
ASTM A53, A106; API 5L, API 5CT, ASTM A335; and
GB5310-1995 for high pressure boilers;
GB3087-1999 for low/ medium pressure boilers;
GB/ T8163-1999 for fluid transport ;
GB/ T8162-1999 for structure;
GB/ T5312-1999 for ship building;
GB/ T3639-2000 is cold-drawn precision steel seamless tubes;
GB/ T3093-2002 high pressure seamless pipes use in diesel engine; GB9948-88 fro oil cracking service;
GB/ T17396-1998 for mining hydraulic pillor

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