Beijing QinTian Science&Technology Group Co., Ltd. (hereinafter referred to as the Qintian science and Technology Group) is located in Fengtai Park (corporate headquarters base) of Beijing Zhongguancun Science Park. Qintian science and Technology Group is a national high-tech enterprises, which integrates with research and development, production and sales as one. It is founded in 1993, after 22 years developments, has developed into a large-scale science and technology enterprise group, due to this group has four main businesses, phase change materials, proton exchange membrane fuel cell, wind power, and precision instruments. Among them, building energy-saving phase change materials and road temperature phase change materials has become group&＃39;s two core products. This group has carried out business throughout most parts of china, what&＃39;s more, it established sales network in Europe, Asia, North America and the Middle East also.