ZHENGZHOU ROCK AUTO PARTS CO.,LTD main product is starter and alternator and metal casting product.We can supply the BOSCH CUMMINS PRESTOLITE ISKRA DELCO REMY for heavy truck,also have MITSUBISHI TOYOTA DENSO VALEO for auto car,also have HITCHI KOMATSU HINO BOBCAT CATERPILLAR for industrial equipment.We have a casitng factory ,can produce all kinds of Die casting product,like casting steel ,casting iron,casting copper,casting aluminum.hot sell to American ,Canada,Japan market.Wish to have more cooperation with all global customer.