the company is headquartered in Langfang economic and technological development zone. Tsinghua Tongfang is a listed company with the most scientific and cultural background in China. In Jiamusi, Heilongjiang, there is a branch company named Heilongjiang Tongfang Energy Investment Management Co., Ltd.. The company is committed to the application and development of energy-saving technologies in Northeast China. Heilongjiang Tongfang Energy Investment Management Co., Ltd. is a franchised dealer in Heilongjiang Province authorized by the Central Air Conditioning Division of Tongfang Artificial Environment Co., Ltd. The address is Tongfang, Tsinghua, on the first floor of Gardener Building at the intersection of Xinglin Road and Zhongshan Road in Jiamusi. Although the company was founded at the beginning, it has a first-class professional management, sales, design, construction and after-sales team, and is backed by a strong technical team from Tsinghua Tongfang. Its business covers the fields of industry, construction and thermoelectric in Heilongjiang Province. Its key business is to use heat pump technology to recycle waste heat, residual pressure and residual gas, and provide a series of services such as analysis, design, investment, construction and operation management for energy-saving renovation projects of various large industries and enterprises. The product effectively reduces the waste of resources and the use of electric energy, not only reduces the production and operation costs for users, but also improves the economic benefits, and also makes great contributions to energy conservation and emission reduction in China.