main products include series of Dongfeng Cummins crankshaft, camshaft, fuel pump, solenoid switch, fuel injector, diesel engine, jib crane, filter, generator, fan, crankshaft, camshaft, fuel pump, solenoid switch, fuel injector, fuel injector, cylinder block and cylinder head all engine parts, overhaul, plunger pay, diesel engine, jib crane, filter, generator, host accessories etc..