... 2) Good casting technology, reliable quality. Clamp Disc BrakeYunyu brand ZL series disc brake adopts the fission structure, its casting technology is ... are provided for Liu Gong, XCMG, Lonking, and so on 40 Construction Machinery companies., the product are exported with the ... the user. The production of the brake is 500,000 pieces every year.ModelZL30-1 ZL50-1ZL30-2Suitable ModelZL30, ZL40, ...