JIANGSU YANCHENG TANGREN S&T CO;LTD. Was founded in 1994 and is a hi-tech enterprise which is specialized in research and application of solar energy and manufacture of solar water heaters. The company is located in the south of JiangSu Province, YanCheng City, which is a beautiful coastal city, covering about 20, 000m2 with convenient traffic. It has realized mechanization in production with good technology and advanced facilities. Our company all glass evacuated tubes, solar water heaters and large-scale solar projects in Chinese solar energy industry have produced according to ISO9001.2000 quality management system. It's our KOROLA brand solar water heater which is one of those that firstly adopted the advanced techniques as large capacity feed tank, empted technique by single pipe, adjustable frame for inclined roof and computerized controller. The large-scale solar projects fulfilled by our company has been integrated into the construction and become a beautiful scene of local buildings. Our varied series solar water heaters can meet the requirements of different clients. Relying on its new structure, advanced craft, reliable quality and excellent service, our products receive a lot of praises by the extensive customers. Until now, the products are sold in 29 provinces in China. Our products have won many honors such as The Famous Brand in Chinese Solar Energy Industry, Good Quality Products Approved by the Government Authority, Recommended Products in Jinagsu Household Electricity Market (solar water heater) 2003-2004's. And the company is also awarded as Good Quality Enterprise in Chinese Solar Energy Industry, Star Enterprise in Jiangsu Province, AAA Grade trustworthy enterprise and Obeying Promise Enterprise. The company sponsors green environmental consumption following the policy of evolving environmental economy and protecting our green homes. And we will devote ourselves to contribute to the undertaking of Chinese solar energy.