... .5 ( E ) 7. Bleed screw: ( L ) Zhejiang Hongliang Auto Parts Co., Ltd specializes in manufacturing brake valves, boosters, brake chambers ... , dryers, adjusters and other auto parts. Since 1996, Hongliang has been supplying auto parts to the medium and heavy-duty ... Our products are used in a wide range of branded cars, including BPW, Man, DAF, Scania, Volvo, Iveco and Mercedes Benz. From production ...