YiWu HuangZu Solar Energy Equipment Co., Ltd,it is one of the high-tech enterprise in China engaged in advance scientific research, development and application of Solar Energy products specially Evacuated Tube Collector type Solar Water Heaters backed with large scale manufacturing base and quality control system, with abundant technical force, advanced craft testing means. So appear many sets of new products. We believe that we can provide the good qulity and good service for the customers!