风管的选择
Selection of air duct
镀锌薄钢板风管：属于传统产品，具有广泛的用途和使用场所，其优缺点早已被广大用户所了解认同。但由于其强度和结构的特殊性仍不可被完全取代。
Galvanized sheet steel air duct: it is a traditional product with a wide range of uses and places, and its advantages and disadvantages have been recognized by the majority of users. But because of its special strength and structure, it can not be completely replaced.
无机玻璃钢风管：属于次新产品，因其具有防火、防腐、隔噪的优点，是它曾一度抢占大半个风管市场，但近几年随着时间的推移，人们逐渐对无机玻璃钢风管的一些不足有所了解，使无机玻璃钢风管的市场份额逐渐缩小。
Inorganic FRP air duct: it is a new product. Because of its advantages of fire prevention, anti-corrosion and noise isolation, it once occupied more than half of the air duct market. But in recent years, with the passage of time, people gradually understand some shortcomings of inorganic FRP air duct, which gradually reduces the market share of inorganic FRP air duct.
复合玻纤板风管：风靡一时的风管产品，目前仍在大面积使用。
Composite fiberglass duct: a popular duct product, is still used in a large area.
纤维织物风管：近年兴起的风管，由于其安装方便，送风均匀，易清洗的特点弥补了传统风管的不足所迅速被国人接受，广泛用于类似家乐福等大型超市、奥运场馆等大空间送风场所。
Fiber fabric duct: the rising duct in recent years, because of its convenient installation, uniform air supply, easy to clean features, make up for the shortcomings of the traditional duct, quickly accepted by the Chinese people, widely used in large space air supply places such as Carrefour and other large supermarkets, Olympic venues and so on.