DongYang Hstube Co.,Ltd was established in 1996. We are 20 years manufacturer of flexible air duct , which always focus on our duct quality and sale service. Now our main product cover Aluminum foil duct , Aluminum duct ,Insulated duct , PVC & Al foil duct ,Canvas duct.

1. Professional flexible air duct supplier for Netherland , Spain , Iran , Iraq and AE market.

2. 20 years manufacture experience of flexible duct

3. Max capacity reach 50000 meters every day.

4. Good quality and competitive price for globe customer.

5. Fast delivery and OEM is aviable