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![]() Gnee is the largest domestic manufacturer of ERW square pipes, rectangular pipes, hollow pipes, galvanized pipes, carbon steel pipes, alloy pipes and spiral welded pipes. Annual sales reach $600 million. With an annual output of 10 million tons, it is one of the most important steel pipe suppliers in the international market. Imperial sizes range from 1/4"-24", with nominal bore sizes NB 15-NB 600. Carbon and alloy steel pipes comply with API, ASME, ASTM, BS, DIN, EN, GOST, JIS and NFA standards. And become ASTM/ASME A/SA 106, A/SA 33... [Details] |