... making various sinter parts for automotive products in fine quality. Hefei Bolin Advanced Materials Co., Ltd. is a leading manufacturer ... machine, hardware, power tool etc. Our main products for Automobile Industry as below:1. Piston, valve seat, guided bush for ... Bracket bush of under body system. Main regular customers are Anhui JAC Automobile Co., Ltd. Nanjin Automobile CooperationWe would like to ...