Material: PVC coated fabric Diameter: 200mm to 2000mm Length: 5m/ 10m/ 15m/ 20m Feature: seamless continous side strap F.R.A.S.
Established in 1953, ZhengJiang ShengZhou No.1 Plastic Factory is the leading manufacture of all types of mine/ tunnel ventilation ductings in China, integrating development and production together....
Flexible Ventilation Duct ( spiral) Material: pvc coated fabric with helix wire reinforced. Diameter: 200mm to 2000mm Length: 5m/ 10m/ 15m/ 20m Feature: seamless F.R.A.S.