FDF600B2 Liquid Detergent Production LineLiquid Detergent MachineHunan Fuda Chemical Co., Ltd. ... HUNAN FUDA CHEMICAL liquid detergent production process flow diagram. 1、Source water tank. 2、Reverseosmosis deionized water treatment device. 3、Purified water tank. 4、Booster pump. 5、Thermometer.