Qingdao Guosong Machinery Parts Co.,Ltd, Qingdao, China is a professional manufacturer of QDGY brand automobile and motorcycle hydraulic brake hose and assembly. Our main products are as follows: 1>Brake hose: It made according to SAEJ1401 standards. GSG 001A: 3.2mm X 10.5mm,1/8HL, for OEM, auto brake hose GSG 001B: 3.2mm X 10.5mm,1/8HL, for OEM, motor brake hose GSG 003A: 3.2mm X 10.5mm,1/8HL, for aftermarket, auto brake hose OTHERS: 3.2mm X 12.5mm auto b