Technically relying on Shandong Academy of Science, Sangle Solar Energy Ltd. is a director unit of China Solar Energy Academy, a standing committee member unit of China Solar Energy Industry Association and a director-general unit of Shandong Solar Energy Academy. Our output and sales volume is the first in China solar water heater market. 　　Sangle Company was established in 1987. Our predecessor was "Solar Energy Research Room of Shandong Energy Sources Institute". In 1994, "Sangle Solar Energy Ltd." was formally established. We are specialized in research and application of solar energy and manufacture of solar water heaters. 　　Our headquarters is responsible for the development, production and popularization of markets in China and service and support work for new products. At present, our company has set up sound network for product sale and after-sales service in various places in China. Our products sell well at home and abroad, such as Europe, Southeast Asia, North America, South Africa and Australia. 　　Taking science and technology as foundation, Sangle Company constantly innovates in technology. Our input in science and technology is increasing year by year. In 1996, we initiated in China to take electrical energy as supplementary energy to introduce solar energy water heater. In 2001, we promoted intellectual supplementary instrument in series with more powerful functions, formally promoting solar energy water heater into the era of all weather, full automation, digitization and intellectualization, always keeping technically leading level in the industry, listed among Torch Program projects of state level by Ministry of Science and Technology. 　　Sangle Solar Energy is the first enterprise possessing three great guarantee systems in the industry, which are drinking water sanitation safety authentication, CCC authentication and ISO9001 Quality Control System Authentication. Three great guarantee systems are the concentrated embodiment of Sangle to follow the manufacture concept of choosing more excellent material and more delicate manufacture with more powerful function and the cultural concept of "products and users are loyal to each other", symbolizing that our company has stridden across a new peak in the fields of product quality, function, sanitation and safety.