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 ... so on. Materials are: 4130 4140 1040 1030. with factory area 50, 000m2 and production capacity above 35, 000T ...