Longquan Solar was established in 1991, only 198 km away from the world finance center--- Shanghai. We�e specialized in research, application of solar energy, and manufacture of solar products. We own perfect quality control system and precise examining equipment. But also our products are monitored by the national examining center all year round. Our products have been approved by ISO9001:2000, and CE certificate early, and gained the national advanced technology awards. Longquan brand solar water heater and vacuum tube was awarded as famous brand by Changzhou Famous Brand Committee, Patent Model Enterprise in 2007 by local government , AAA grade Credit Enterprise by credit comment committee. Now our products have been sold to more than 20 provinces in China and 36 countries and areas. It is our responsibility to protect our earth, and use solar energy more. At the same, we make you fortune more.