DongYing Shengyu(Sunwit) brake system co ltd is located in dongying city, shandong province. we have industrial park with 80000 square meters, and more than 300 hundred workers, and the most advanced production line that produce different kinds of brake discs, brake drums, brake blocks we supply many famous Autmotive buyers such as Bosch, Dento, Delve and so on as OEM or ODY suppliers. Any inquiry is welcome. thank