Dr. Tsinghua small solar co. Ltd. Is a specialist in the design and development of solar energy since 1995 and has a full-time research team, with products of common, engineering, walled and multi-range new solar water heaters with better technology in the world solar energy sector designed for villas and high-rise buildings to meet the different needs of domestic and foreign clients. The company also possesses advanced production and detection equipment, with iso 9001:2000 international quality system certification, mandatory 3c certification, eu `keymark' quality and export eu ce certification, as well as "quality and standard qualified" products, which are certified by the solar water heat monitoring and testing centre (sian, beijing). And i'm proud to have a brand name. Dr. Tsinghua's solar energy company has been working hard to create new, green and environmentally friendly energy for humanity, with the idea of "one sun, one dream". The company's products are generous, robust and durable, the mainframe is guaranteed free of charge for 10 years, the vacuum pipe is replaced with a card free of charge (including natural disasters) and has no target loss. The after-sales service is available 24 hours a day. For more than a decade, the company has focused on research and development for the creation of new products, characterized by high heating, slow heat dispersion, choice of materials, long life, technological sophistication, functional integrity, ease of operation, safety of use, priority for completion of studies on the integration of airframes and buildings. This can lead to a good combination of balconies, skylights and roofs, and practical and artistic features. A well-developed system of after-sale services leaves users without fear, excellent technology, high-quality products and enthusiastic services. The core values of corporate culture: integrity, win-winness, creation, development