Haining Sunfull Solar Technology Co., Ltd., located in Haining City, Zhejiang Province, is a hi-tech enterprise which is specialized in the research and manufacture of solar vacuum tubes, solar water heaters and solar collectors. With advanced technology and comprehensive facilities, we have reached an annual production capacity of 70,000 solar water heaters. Our company has passed the certification of ISO9001:2000 international quality management system, and acquired CE and CCC approval on ...