What I want to recommend is that Duquesos is a professional manufacturer of bag-type air ducts, and the materials used are breathable fibers. Most importantly, its materials have passed the most authoritative fire performance testing institution in Dujiangyan, and can pass the testing of any local fire department, which is not available to other duct manufacturers. Duquesos products have good quality, strong technical ability and good after-sales service. It is recommended to use ~ ~ ~ ~ ~ ~ ~

As far as I know, Duquesos is the earliest and most professional, and other manufacturers are imitating its products. Only Duquesos can achieve the infiltration effect of the fiber duct mentioned above. The infiltration effect is an important parameter affecting the air outlet effect and air outlet uniformity, and only professional manufacturers can achieve professional products.

Sotheby's air duct is a flexible air supply system made of special fibers, which can supply air evenly. It is an air outlet terminal system that replaces air pipes, air valves, diffusers and thermal insulation materials. In China, Sotheby's air duct is usually called air duct, bag duct, air duct, fiber duct and so on.

It has the characteristics of uniform and comfortable air supply, dew prevention, health and environmental protection, convenient installation and easy cleaning and maintenance.

Sotheby's air duct is widely used in supermarkets, shopping malls, exhibitions, theaters and other commercial public places; All kinds of sports venues; Electronic, chemical, pharmaceutical, mechanical, printing and other industrial plants and various food factories.

Duquesos has three series of permanent flame retardant (Nanosox), washable flame retardant coating (Laminsox) and Class A nonflammable (Platinum Fibersox) fiber materials, as well as nine products of antibacterial and antistatic functional materials to meet higher requirements in various fields.