Qingzhou Hengyuan temperature-controlled Co., Ltd is located in Qingzhou economic zone. The company has been devoted to the development and promotion of national green energy-saving products for many years. It is a high-tech company which has a complete set of designing, manufacturing, installation.

Main products include: Ventilation cooling system, such as various types of exhaust fans, which has been widely used in poultry, greenhouse field. Cooling humidification, such as cooling pad; Heating system and manure cleaning machine.

The products have been exported to oversea markets besides dometic marke, and enjoys good reputation by the customers.