... provide casing head, casing head forging blank(Normalize, rough machining,modulation, finish machining), valve body forging, Our product include:casing head, ... casing head forging blank(Normalize, rough machining,modulation, finish machining), tubing head forging, casing spool forging, tubing spool ... 5T forging unit. We pass the ISO9001 in 2001 and see quality as the root of a company. We ...