Improving the dispersity of additives(e.g. Fire resistance) , enhance its effectiveness, so that the quantity can be reduced, Control costs and improve performance. 
Increasing the liquidity and improving surface quality of products. raising qualified product ratio. 
Stabilizing the colors and reducing the risks of off-color, blackspots and scorches. 
Improving processing stability, reducing screw torque, electricity consumption. Decreasing the broken bars and raising rate of output.
Zero loss!Cutting the fixed assets investment of customers,(such as metering system, stock bin, dust-cleaning apparatus)