Heilongjiang Zhonghui Science and Technology Development Company Limited was founded in 1999, after the 2009 November corporate restructuring, the establishment of the Heilongjiang Hui geothermal Company Limited ( hereinafter referred to as the benefits of geothermal ), is located in Harbin City, CA High-tech Development Zone, electric heating areas of our country are the only set of scientific research, development, manufacturing, sales, installation in one of the leading high-tech enterprises.At the beginning of twenty-first Century, in the benefits of geothermal shares with the American Dupont company and Harbin Institute of Technology, has developed a stand on one's own intellectual property rights of the electrothermal film heating system