QINGDAO GUOSONG MACHINERY PARTS CO., LTD. is the biggest professional manufacturer of automobile and motorcycle rubber brake hose and assembly in China. The main product is QDGY brand rubber brake hose Φ3.2mm×Φ10.5mm(1/8”) producing according to American SAEJ1401 and SAEJ1402 standards and also passed the quality control China national auto testing center. for more detailed information pls visit our website:http://www.parts-cn.com e-mail:zqi@public.qd.sd.cn contact:Zheng Yinglei