... rough machining,modulation, finish machining), valve body forging, Our product include:casing head, casing head forging blank(Normalize, rough machining ... tubing head forging, casing spool forging, tubing spool forging, three-way, six-way forging, eight-way forging, valve ... LtdTel: 0086-13853179742Fax: 0086-531-83861079 casing head, casing head forging blank(Normalize, rough machining,modulation, finish ...