... : SOMA caliper disc brake; ZL40/50 caliper disc brake; drum brake and handbrake more than 20 types.The technical preformance ... QY12T, QY16T, QY20T, QY25T, QY30T, QY50T and QY75T, etc., big tonnage cargo truck, pavers, graders, road rollers and excavators and ... achieve reliable linkage. Using the milling and grinding process, the drum brake features high precision and sound performance. There are more ...