Min. Order Reference FOB Price
100 Meters Negotiable
Product Description
Product Description 1. Ventilating first before cooling with air convection to remove stuffiness, odor,smoke, dust, waste gas ,etc 2. Bring in fresh air with air exchange done in 30s. Ventilating efficiency reaches to 82%-88%. 3. Only 1/3 of air conditioning investment; with 1/10 electricity ...