HC yana cikin birnin Changsha, lardin Hunan, Manyan samfuran sun haɗa da CRANKSHAFT, CYLINDER HEAD, CYLINDER BLOCK, PISTON, RING RING, CYLINDER LINER, BEARING. Ana amfani da kayayyakin a cikin ruwa, locomotive, janareta, injinan gine-gine, manyan motoci masu nauyi, bas da dai sauransu motocin kasuwanci. Tsarin injin yana rufe CUMMINS, CATTERPILAR, DETROIT, VOLVO, MERCEDES-BENZ, MAN, DAF da dai sauransu, haɓakawa azaman zane na abokin ciniki ko samfuran shine fa'idarmu. Yanzu an yi nasarar fitar da kayayyaki zuwa kasashe sama da 30