Long-term supply ventilation fans: ceiling ducted ventilation fans, ceiling vertical ventilation fans, all-metal ventilator, semi-metallic ventilator, ventilator windows-ventilation fans, louvered ventilation fans, split pipe. The Company ventilator applicable to all kinds of environments such as: anti-corrosion places, wet places, noise, there are strict requirements place, a large number of ventilators field, a place with a large displacement requirements. Can be widely used, hotels, hotel, office, KTV, hospitals, factories and other ventilation spaces. Ventilation panel imports of the ABS manufacturing and metal panel, hole size 100mm-400mm, engineering common air volume: 120CMH, 150CMH 180CMH 210CMH 240CMH 280CMH 270CMH 310CMH 350CMH, 400CMH, 500CMH, 600CMH 1500CMH air volume level has.