Haining Hengji Solar Energy Technology Co., Ltd ( former Haining Shihui Heat Collection Tube Co.; Ltd ) is a new high-tech enterprise, which has been absorbing in developing high quality solar water heater and solar collectors over eight years. We are located at Haining city, close to Shanghai , which offers us convenient transportation.Since 2003, we have grown from a small company to a medium manufacturer, we produce a wide variety of solar systems, including non-pressurized, separate pressurized, indirect pressurized solar water heater, solar collector, solar glass vacuum tubes and copper heat pipe, etc. In the past those years, we have sold more than 200,000 sets of solar water heaters and more than 850,000 pcs of solar glass vacuum tubes domestically and overseas. The returning rate of solar water heater is below 3.5‰ and the returning rate of vacuum tube is below 8‰, which powerfully proved that these systems are of good quality, and are popular with customers.With an experienced working and sales team, we have passed ISO 9001:2000 and got the "China Compulsory Certificate" (CCC)and the Conformity with European (CE) . All that we have got is to offer customers products with the best quality and after service of. All that we done has earned us good reputation and has been attracting more and more customer around the world. We welcome customers from different countries to visit our company and purchase our systems according to their different requirement.