Longkou Jinzheng Machinery., Ltd is a leading manufacturer and supplier for brake rotor, brake disc, brake drum, specializing in the research, development and production of brake discs/rotors/drums. Longkou Jinzheng Machinery Co., Ltd is a located in Longkou City, Shandong Province with convenient transportation access, we usually ship from Qing Dao Port, China. We have advanced facilities and software to design and manufacture of more than 2000 kinds of brake rotors. Our factory passed ISO/TS 16949:2002 certificate and have and have more than 1300 workers, include the R&D Depart, Testing laboratory, Machining workShop and so on.We would supply about 10 million pieces each year. Our brake rotor/drum are mainly export to USA, Canada, EU, Southeast Asia and so on which also gain a good reputation from our buyer. To insure supply the qualified products to each of our buyer, we produce under strict inspection according the standards to realize the reliable quality, from the raw material, machining-(CNC), and fully insepection. If you have any interest of the brake rotor/drum, please let me know.