hengyuan non-power exhaust roof fan Detailed product description adopt Haier special-devised exported motor, effcient ventilation moisture capacitya whole set of imported bearing, uniqu
wind turbine exhaust fans/air driven turbine roof Unpowered roof fan 1.Without any energy, environment friendly, benefit from an investment for life. 2. Efficient ventilation, moisture capacity 3. Sp
evaporative cooling pad for poultry working principle: According to the natural phenomena:"heat is absorbed when water is evaporated; and efficiency of evaporation depends on the e
industrial pad cooling pad /air cooler HY series evaporative cooling pad 1) Corrugated paper has high intensity structure, corrosive resistance, long service life. 2) Fine percolation and
hengyuan wet curtain for poultry greenhouse working principle: According to the natural phenomena:"heat is absorbed when water is evaporated; and efficiency of evaporation depends on the e
7090 evaporative cooling pad HYF Series Evaporative Cooling Pad Evaporative pads are made of specially formulated cellulose paperwhichimpregnate with insoluble anti-rot salts, st
greenhouse exhaust fan/ventilator 1.The system opens and closes automatically when the fanworks. 2. Centrifugal shutter system and other fitting of shutter are made of Nylon, high qua
exhaust fan for greenhouse exhaust fan shutter:high-quality galvanized steel sheet, ensuring the shutter open and close automatically, and can reach the purpose of dust-proof,
hengyuan ventilator for poultry greenhouse Detailed description shutter:high-quality galvanized steel sheet, ensuring the shutter open and close automatically, and can reach the purpose of dus
industrial ventilation fan 1.The fan blade is stainless steel with large air volume, without distortion, attractive and durable. 2.Adopting automatic belt tensioner canadjust u