... finish machining), valve body forging, Our product include:casing head, casing head forging blank(Normalize, rough machining,modulation, finish machining), ... all kind. And are capable of producing 5T forging unit. We pass the ISO9001 in 2001 and see quality ... Co.,LtdTel: 0086-13853179742Fax: 0086-531-83861079 casing head, casing head forging blank(Normalize, rough machining,modulation, finish machining) ...