... 20mesh, 22mesh , 30mesh , 40mesh , 50mesh , 60mesh , 80mesh4)Crystal shape: uniformity5)Crystal color: bright and glittering6)shelf life:3 years7)Packing :25kg/pkg ... , 50lb/pkg , 10kg/pkg , 1kg/pkg , 454g/pkg and ... terms to meet different clients' requirements. 6. Both new and old clients get the best service from us. We ...