Qingzhou Hengyuan Temperature- Controlled Equipment Co.,Ltd. is a leading manufacturer specializes  in manufacturing :

1) Ventilation cooling system,such as large-scale poultry fan,large scale fan for greenhouse and factory buildings,negative pressure fan,circulation fan,unpowered roof fan

2)Cooling humidification system,such as cooling pad
3)heating system, such as automatic coal(fuel,electric,gas)heater

4)Manure cleaning system : manure cleaning machine.

1.The casing is made of high strength weather ability polymers which is UV-proof,anti-aging,and resistant to deformation
2. Different air discharge type(including top,down and side)can meet different installation requirements of various applications.
3. Specially designed axial fan,with large airflow,low noise,low energy consumption  and wide applicability.
4. High quality aluminum housing motor,with good heat dissipation,high protection grade,waterproof and moisture-proof
5. Automatic control of water system and opean type water distributor, so water can flow smoothly and distributor is not easy to block
6. Highly efficient cooling pads with large evaporation capacity,good cooling efficiency and easy cleaning