no noise ,no dust and long-life useage Minimum Order QuantityFor the ones we already have mould, the minimum order quantity is 300 sets, for the ones which we need new open the mould, the minimum order quantity is 500-1000sets.- Payment TermsGenerally, T/T 30% deposit when fix the order, 70% arranged before delive the goods. Meanwhile, we can also do confirmed L/C at sight - Product Description ...