... 3,1-100 um adjustable Powder processing 4,Herbs,Feed,Calcium carbonate Mianyang JUZI powder engineering ... processing workshop executes stratified, segmented, graded responsibility and personnel management, layers of quality control, strict implementation ... silicon oxide, alumina, tourmaline, garnet, zircon, diamond ...Chemical and polymer materials: polyethylene, polypropylene, PVC, PTFE, epoxy resin, ...