control pannel The Switch Button Type 1)Directly set up the desired quantity by switching buttons. Both actual and set-up quantity will be shown on LED. 2)All production process will shown on the control board. Each major step has check point, In case of breakdown, the operator can react to the exact breakdown position. 3)All operation can be operated by automatic and manual two methods. For example, the operator can use automatic method to let mixer continuous run 9times (for 9m3carrier) or 6times (for 6m3carrier) 4)The features of program is easy to operate and change. The operator can change/adjust quantity of materials by switching buttons. To have different ratio for different Production.