... of chains 3.OEM/ODM 4.TS16949;ISO OEM close die forged chain About ZhongshengRizhao Zhongsheng Forging Company Ltd. specializes in ... with 4 forging lines including 2,500MT/1,600MT hot die forging press, 400MT/300MT double plate friction press and ... Commonly used materials1) Wind power shaft:42CrMo4V, 34CrNiMo6,Wind power flange: S355, C22, 16Mn, 20Mn, 42CrMo, F3042) Forged pipe fittings: SA106 CL ...