... a variety of measurement and quantitative control of4.With bucket elevator, belt feeder, vibrating feeder and the rotary valve ... The ambient temperature down to -402. Dust-proof structure3. Powder, granular and lump materials can all appliance4. Accuracy better ... between the 500m The Materials can be measured1. Powder (plastic raw materials, iron powder, sodium sulfate, cement, vitamins, cocoa, alumina ...