Jianke EET Co.，Ltd. (hereinafter referred to as "Huanneng technology") is a scientific and technological enterprise subordinate to China Academy of Building Sciences Co., Ltd. (hereinafter referred to as "China Academy of Building Sciences"). In 2020, in order to meet the requirements of the "scientific reform demonstration action" of the state-owned enterprise reform leading group of the State Council, China Academy of Building Sciences Co., Ltd. established its subordinate company Jianke Huanneng Technology Co., Ltd, Huanneng technology has become a demonstration enterprise of SASAC’s scientific reform. The building environment and Energy Testing Institute of Jianke Huanneng Technology Co., Ltd. is a third-party testing and inspection service institution recognized by the China National Accreditation Commission for conformity assessment and authorized by the National Accreditation Administration and the Ministry of housing and urban rural development. It is the first batch of national quality inspection institutions approved by the National Bureau of standards in 1988. The testing institute is mainly responsible for the testing of heating, ventilation, air conditioning purification, refrigeration and other products, as well as the national product quality supervision, random inspection, testing and inspection of building energy conservation engineering, building daylighting and lighting, building doors, windows and curtain walls, building thermal engineering, building intelligence and electrical engineering, solar products and engineering applications, and building acoustics, as well as enthalpy difference chamber, temperature, wind speed, pressure Calibration of particle counter, dust meter and other related instruments. Jianke EET Co.，Ltd.specializes in providing users at all levels with various standard, non-standard and multi-functional test-bed. The main products are: fan coil thermal performance test bench, radiator performance test bench, air-air energy recovery device performance test bench, combined air conditioning performance test bench, multi on-line air conditioning (heat pump) unit performance test bench, water source heat pump unit performance test bench, artificial climate room, air filter performance test bench Purifier performance testing laboratory bench and various building energy conservation testing bench. The test-bed built by it fully complies with relevant national standards and has perfect technical services.