Zhongshan Zuanli is focussed on RO pump production and research. Its major components including plastic materials, ironware, rubber etc are all self produced. In this way it can reduce cost and at the same time ensure quality. Other purchased materials are up to international standards for drinking water. Each pump undergoes a high level factory acceptance test and reach world leading standard. The ultimate goal is to ensure customer’s satisfaction in using Zuanli RO pump.