Hangzhou Heshan Tech Co.,LTD, Located at the west suburb of Hangzhou, with east adjacent to Xixi National Wetland, and south face Xiaoheshan National Forest Park,is a high-tech company,specialized in researching and developing elevator air condtioner, elevator car air purifier, and hydraulic elevator oil cooler product and committed to air purification, ventilation and energy conservation, energy recovery and other areas of research.

　　Heshan developed the first hydraulic elevator oil cooler in 1996 to fill the gap at the time, putting an end to the past situation of complete dependence on imported product. At present, Heshan is marketing and supplying the XFL, XFLF series hydraulic elevator oil cooler.

　　Heshan developed the first generation of elevator air conditioner in 1998. Now, the eighth generation of intelligent elevator air conditioner cover full range of types, 50Hz series, 60Hz series, environmentally friendly refrigerant (using R 410A refrigerant) , split air-conditioning, and so on, Heshan elevator air conditioner is in a international leading role in elevator air conditioner in dustry in intelligence control, water dealing, low noises, healthy and energy -saving etc. Its advanced water treatment methods, highly automated intelligent control system and automatic air-conditioning heat exchangers dust removal techniques have been a number of national patents. After more than ten years of sustained and steady development , heshan has supplied large quantity of elevator air conditioner to many elevator brands and heshan product are exported to all over the world, deeply loved by users.

　　 In 2011, Heshan developed the latest series of powerful TYUV sterilization system. The system uses high-power UV lamp to radiate bacteria, high intensity concentrated in a short time to kill bacteria and viruses at 99 ％－ 99.9 ％ efficiency , purely physical method of disinfection , broad spectrum，no secondary pollution.

　　Heshan has been continuously improving and innovating its products, and developing a customer-oriented culture. Based on Strict quality control, Heshan has successfully passed the China Quality Certification Center ISO9001: 2008 Quality Management System Certification, air conditioner products CCC and CE certification. Heshan dedicates to pursuing the "honesty, efficiency, excellence, innovative" enterprise spirit to keep pace with the trend of development of the air-conditioning technology, and makes efforts to provide first-class technology, quality products and sincere services to new and old customers .