... for automobile crane QY12T, QY16T, QY20T, QY25T, QY30T, QY50T and QY75T, etc., big tonnage cargo truck, pavers, graders, road ... rollers and excavators and so on. Both the brake shoe and brake bracket use the nodular cast iron, and the friction plate ... employs the non-asbestos materials. The processing line including processing center, CNC lathe and special ...