... diamond ...Chemical and polymer materials: polyethylene, polypropylene, PVC, PTFE, epoxy resin, phenol-formaldehyde resin, Fen ... Metallic and oxide material: iron, tantalum powder, powder, spherical aluminium powder, molybdenum powder, zinc, iron, high chromium, vanadium ... lithium ferric sulphate, ferrous oxalate, graphite, carbon powder ...Pesticide imidacloprid: Chinese, fungicides, WP, herbicide, ...