青岛国松机械配件有限公司

qingdao guosong machinery parts co.,ltd is the biggest professional manufacturing and exporting company in the field of rubber brake hose and assembly in china. our main product is qdgy brand rubber brake hose φ3.2mm×φ10.5mm(1/8") produced according to american saej1401 and saej1402 standards and also passed the quality control china national auto testing center. now our brake hose is on the way of qs9000 and dot