1) Materials: semi-metal, Asbestos Free, no environment pollution 2) Less fade better recovery 3) Friction parameters: 0.35 - Minimum Order QuantityFor the ones we already have mould, the minimum order quantity is 500 sets, for the ones which we need new open the mould, the minimum order quantity is 800-1000sets.- Payment TermsGenerally, T/T 30% deposit when fix the order, 70% arranged before ...