... We provide caing head, tubing head forging, valve body forging, tubing spool forging, casing ... three-way, six-way forging, eight-way forging, valve body forging, double-flange joint forging, locking coupling ... are capable of producing 5T forging unit. We pass the ISO9001 in 2001 and see quality as ... of a company. We have gained our market by perfect technology, strict management, excellent services. Our ...