Sulong ventilation ducts provide fresh clean air for underground operation workers.

Flexible ventilation ducts offer more flexibility in confined space management than rigid or metal ducting. it is easy to install as the flex ventilation duct allows for turns and bends.

We supply a wide range of PVC flexible ducts suitable for use in coal, potash and ore mining, railway, metro and road tunnels, hydropower plants, special buildings, and cavern systems.

Considering underground operation projects vary one to another, we offer custom choices in flexible ventilation ducts for project contractors, ventilation equipment manufacturers and hose suppliers.

Sulong makes ducts based on your budgets and quality requirements, including textile grades, heat tolerance, chemical resistance, dimension, flexibility, durability, as well as couplings, fittings and accessories, suspension ways, etc.

Make Your High-Flow Ventilation Duct With Our Experts' Help!