Wholesale Dealers of Tunnel PVC Flexible Hose Hose - Fire Retardant Negative Ventilation Hose – NuoWei Ventilation

Product description:
Material:Orange PVC,Specially made for negative pressure hoses.
Structure:Supported by helix wire the steel wire is wrapped by black rubber strip,which is wear-and-tear proof.
Wire pitch:6cm.
Standard diameter:100mm-1500mm
Standard length:5m,10m
Custom size are available upon request
Packing:1PC/CTN,neutral carton packing.
Product features:Retardant,corrosion resistance,negative pressure ventilation,exhaust.
Application
- Underground conveying air
- Engine room ventilation
- Crypt ventilation
- Tunnel municipal conduit engineering
- Machine shipbuilding engineering
- Fire fighting rescue
-Welding

We are sure our services is very good.

1) OEM service is free.
2) Sample for you is free, but the cost of freight will be paid by buyer.
3) What you need, we will do our best for you.
Advantages of our factory.
We manufactures the material, PVC polyester fabric, by ourselves. The quality is controlled from the original material to finished product. Production time is shorter than other factories.

FAQ

Q: How your products and the service quality ensured?
A: All our products have complete certification for different markets, such as CE/SGS/ISO9001 etc.

Q: If we don’t find what we need on your website, what should we do? Do you make customized products?
A: Yes, we can provide bespoke service for customers with specific requirements. You can send us detailed requirements by email, we will check whether we can do it as required.

Q: Can I buy 1 or 2 pieces of samples for testing before bulk order?
A: Yes, we are pleased to send you samples for the quality and performance test. We are full of confidence that you will be satisfied once you get it.

Q: What about delivery date?
A: If we have the item you need in stock, we will ship it as soon as possible