... Spring Brakes (in diaphragm/piston or double diaphragm configuration), and remotely mounted Spring Brakes. This, combined with a wide ... all typical service and parking force requirements whether for cam, wedge or disc brake installations. ZHEJIANG ZHONGDUN MACHINERY CO., LTD specialized in ... etc.., which applied to heavy trucks, trailers, heavy bus and so on. Such as: DAF,LVECO,MERCEDES,LEYLAND,RABA, ...