We provide caing head, tubing head forging, valve body forging, tubing spool forging, casing spool forging, six way ... spool forging, three-way, six-way forging, eight-way forging, valve body forging, double-flange joint forging, locking coupling forging, and ... , 000T/year, our company have built advanced physical and chemical laboratory cable of doing heat treatment, UT and mechnical proporties tests ...