we are professional manufacturer for the single and Multi-cylinders diesel engine spare partOur production include cylinder liner, piston, crankshaft, valve, gasket, valve seat connecting rod and so onWe OEM for changchai weichai Cummins jangdong chaochai laidong taichai etc,especially for the model s1100 s195 s1110 z175f r170a r175a yc4102r180a sd1100 sd1105 LD1115 6bt 6ct WD615 WD618 etc