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, cylinder head, all engine overhaul package, plunger pay and diesel engines, jib crane, filter, generator, host accessories etc..