HC waxay ku taalaa magaalada Changsha, gobolka Hunan, Alaabooyinka ugu muhiimsan waxaa ka mid ah CRANKSHAFT, CYLINDER HEAD, BLOCK SYLINDER, PISTON, RING RING, CYLINDER LINER, BARING. Alaabooyinka waxaa loo isticmaalaa badda, gawaarida, koronto-dhaliyaha, mishiinada dhismaha, gawaarida xamuulka qaada, basaska iwm baabuurta ganacsiga. Qaabka matoorka ayaa daboolaya CUMMINS, CATTERPILAR, DETROIT, Volvo, MERCEDES-BENZ, MAN, DAF iwm, horumarinta sawirista macaamiisha ama muunado ayaa ah faa'iidadayada. Hadda badeecooyinka si guul leh ayaa loo dhoofiyay in ka badan 30 waddan