... forging, tubing spool forging, casing spool forging, six way forging and We are professional manufacturer of oil equipment forging in China ... forging, casing spool forging, tubing spool forging, three-way, six-way forging, eight-way forging, valve body forging, double-flange ... in 2001 and see quality as the root of a company. We have gained our market by perfect technology, strict management, excellent ...