OEM service, custom fabrication black brake rotor cnc machining brake rotor, cast iron rotor, cnc machining Guangzhou HuaFeng Machinery Co. Ltd. was found in 2002, located near Guangzhou city, occupied 5000 square meter. HuaFeng is one private company specialized in machining high precision mechanical parts. We are strategically aligned OEM supplier of many well-known multination corporations, ...