7）汽车伞齿轮系列 Bevel gear series products

8）汽车变速器系列产品  vehicle transmission series product

9）汽车离合器系列产品  Automobile clutch series products

10）汽车轮毂系列产品 Automobile wheel series products

11）汽车转向机构系列产品 Automobile knuckle mechanic series products