Laizhou Shuanglong Machinery Co., Ltd. is located in Tushan Town, Laizhou City, and was founded in 1997. Now, Shuanglong Machinery has developed into a professional manufacturer and global supplier of automotive spare parts with 200 workers. We provide brake rotors, brake drums and brake discs for cars, Jeep, SUV, Heavy Trucks and Buses. Our annual productivity of our brake rotors and brake drums is one million pieces and our products are supplied to worldwide markets, such as America, ...