air duct/ good quality air duct

insulated flexible duct The framework of the fire retardant flexible duct is made of steel wire, the body is wrapped with the saffron plastics colth, for it can fix the flexible duct expediently, there is metal ring every one meter, for it can connect the ventilator discretionarily, the both two sides of flexible duct are bunched with the rope, belt with buckle, clamp or other.  It has got SGS report, and said it is excellent fire retardant.   The flexible duct is able to endure the high temperature, the acid the alkali, the oleic acid and burning, it is easily to turn, connect and schlep. It has been extensively used in maintaining underground cable, engine room, crype, tunnel municipal conduit engineering, machine shipbuilding engineering, fire fight rescue and other construction in the bad air environment, Diameter: 4"-60"(100mm -1500mm) Standard length: 5m, 10m, 15ft, 25ft ( any lenght is available)   Show you more details:   1. My factory   2. My product:       3. The material of my product: The thickness can be required.          4.  The hooks of flexible duct     5. The two sides ends of flexible duct:       6. Netural Packing:         7. Sizes of package       8.Production line               Advantages of our factory.   We manufactures the material, PVC polyester fabric, by ourselves. The quality is controled from the original material to finished product. Production time is shorter than other factories.          About us   Foshan City Yilai New Material Co.,Ltd, was established in 2002, is located in Cangjiang Industrial Park Foshan City Guangdong Province, an independent wholly owned by Hong Kong and Macao investment, covers an area of 20,000 square meters, good geographical location and convenient transportation, which links to Guangzhou-Foshan Expressway, GuangMing high-speed road, it is very convenient to Guangzhou, Shenzhen and other major ports. We have a strong technical force, we introduced the most advanced casting production lines, rolling production line, fittting production line, printing production line splicing production lines from Germany, and we also input multiple sets of processing equipments, the development of new products, from materials to finished production  services. 17 yearsexperience in making pvc coated tarpaulin, pvc laminated tarpaulin, pvc duct cloth, pvc tent cloth, pvc flooring and related plastic products, YILAI brand is well known by all over the world. Currently we used the PVC tarpaulin material to make to the following products: PVC big tent and PVC flexible duct( mining duct, shipping construction duct, tunnel duct, base room duct, insulation duct, air conditioning exhaust duct, ppostitive and negative duct, three joint/four joint duct) and related tarpaulin products.  We win the high praise from the general customers by saying"good quality,reasonable price, good reputation, service is supreme", sincerely welcome to visit, guidance and business negotiation.     Welcome to visite our factory! Free sample can be sent to you!  If any question, please free to contact me at any time!!   Ms. Poon: china (at)  yilai.com.cn   Looking forward to your inquiry~~~