The company is located in Zhongtai Industrial Park, Greentown, Yuhang District, West Hangzhou. It specializes in the research and development and manufacture of elevator car air conditioners, elevator car air purifiers, hydraulic elevator oil coolers and other products, and is committed to waterless air conditioning, air purification, ventilation and energy saving in special industries. Research in other fields, integrating design and development, manufacturing, sales and service, installation and maintenance, provides the best solution for elevator car air.

The company makes every effort to meet the different needs of customers. The "Heshan" brand elevator special air conditioners supplied are complete, divided into two major series, TK and NK. The cooling capacity ranges from 1600W to 5300W, and both 50Hz or 60Hz power supplies are optional; the control method is general. It is an intelligent remote control with memory type, and can also choose the remote centralized control type of the elimination control room; it can also be customized according to customer's special requirements. It has the characteristics of intelligent control, drip-free water treatment, high efficiency and energy saving, low noise, environmental protection, health and energy saving, and its advanced water treatment methods, highly automated intelligent control system, automatic dust removal of air conditioner heat exchangers, remote control and many other technologies It has successively obtained more than 20 utility and invention patent certificates, and more than 10 software copyrights. After more than 20 years of continuous and stable development, a large number of "Heshan" brand elevator air conditioners have been equipped for many brand elevators. The products are sold all over the world and are well received by users at home and abroad.

The second-generation TJHQ series elevator car air purifier developed and produced by the company has absorbed many years of market experience and technological innovation. The five excellent performances of dust removal, air purification, intelligent control, and fault alarm, the sterilization efficiency is over 99.86%. It can be installed in conjunction with the elevator air conditioner, or it can be installed separately, suitable for hospitals, shopping malls, office buildings, hotels and other places.

The company has always been customer-oriented, continuous improvement and innovation, and strict quality management. It has successfully passed the China Quality Certification Center ISO9001 quality management system certification, ISO14001 environmental management system certification, OHSAS18001 occupational health and safety management system certification, and air conditioner product CCC. Certification and CE certification. The company pursues the enterprise spirit of "integrity, efficiency, excellence, innovation", keeps up with the development trend of world air-conditioning technology, and strives to dedicate first-class technology, high-quality products and sincere service to new and old customers.