... style is installed through the metering pump directly on containers of chemicals,the realization of a simple quantitative chemical dosing,easy ... single-box single pump,double boxes and boxes of double-pump multi-pump system configuration option.3 wide range: a single pump system to ... 5-UPVC12 medicine chest unit21.0cube,steel rubber lining13 metering pump unit2 0~250L/h,10bar14 blender unit2 0.75KW, ...