Plastic Ventilators

Plastic ventilating devices, including roof ventilating fan, plastic shutter, pvc ventilating windows, are mainly used in the animal husbandry. Comparing with metal ventilators, our plastic product have advantanges of follows: 1. Adopt PVC engineering plastic injection molding process, high strength, toughness, anti-aging, non-deformation, long service life. 2. Gravity vertical open, tightly closed, flexibly open, Opening and closing quiet, will not disturb livestock & poultry. 3. Ventilator height can be adjusted by modular assembly.