Since 2006
Shuanghuan became the first gear supplier of ZF in China，and subsequently entered the supply system of leading enterprises in the global commercial vehicle industry.
The products cover engine gear, automatic transmission gear, axle gear, etc. The highest precision of products processed by grinding can reach ISO5 level stably.
Customers: ZF, Eaton, Cummins, Allison, FIAT, Sinotruk, FAW, etc
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