ISO 9001-certified manufacturer supplying flame-retardant, anti-static ventilation ducts to distributors, wholesalers, and OEM buyers in demanding underground environments.
Supplier-declared, pending confirmation
Flexible Fabric Ventilation Duct (Mine & Tunnel Special) (0.38, 0.6 mm thick); 12", 126" (200, 3,200 mm) diameter; 5, 100 m lengths; working temperature -40°C to +80°C; zipper, steel ring, and Velcro connections available.
Heavy-duty wire-reinforced construction; 200, 3,200 mm diameter; fire-resistant and wear-resistant PVC wall; designed for sustained negative-pressure ventilation circuits.
Spiral wire construction supports both positive and negative pressure; retains shape when deflated; suited for installations requiring partial rigidity.
Polyester fabric base with anti-static and flame-retardant surface treatment; designed specifically for underground coal mining where static discharge and fire risk must be controlled.
Mine Filling Mold Bag (Mine & Tunnel Special) We supply high-quality flame-retardant flexible fabric mine filling mold bags. With spiral steel wire reinforcement, it is professionally designed for mine and tunnel engineering, perfectly meeting the filling support requirements of underground working faces and narrow tunnel sections.
Custom irregular shapes available; connects and splits ventilation duct runs to match site layout requirements.
Jiangsu JSH has manufactured welded PVC fabric ventilation ducts for over 20 years, supplying more than 2,000 clients across mining, tunneling, and industrial underground projects.
Products carry the China Coal Safety Mark in addition to ISO 9001, meeting mandatory safety requirements for underground coal mine procurement.
A single supplier covers the full diameter range from 200 mm to 3,200 mm, reducing the number of sourcing contacts needed for complex ventilation projects.
Sample units of the JSH-03 lay-flat duct can be dispatched in 3 working days, allowing buyers to evaluate material quality before committing to a production order.
JSH produces ducts and branch fittings to buyer-specified dimensions and connection types, supporting private-label and OEM requirements for distributors and wholesalers.