本廠自產自銷礦用、船用風管多年。從1992年起至今從未間斷，經過了多年的研發生產，已經擁有相當豐富的經驗和生產開發能力；產品、質量穩定，價格優惠，交貨及時，本廠還擁有多個品種，多種規格供客戶選擇。歡迎各方客戶詳細咨詢。 伸縮風管是用PVC阻燃雙面夾網布及鋼線纏繞加工而成，具有阻燃、耐高溫、耐酸堿、耐老化等優點，而且攜帶方便，是船舶、地下工程、廠房、大型超市、渠道及實驗倉庫等送風和排氣的較好選擇。配合手提風機使用可送風及排氣、抽除煙塵、改善空氣。 主要材料： PVC阻燃雙面夾網布及鋼線； 主要規格： 直徑7cm--200cm 長度1m--30m 主要顏色：黑色、黃色、橙黃色、紅色、銀色、白色...... 與風機口的駁接方式：綁扎、鋼夾、不銹鋼箍... 另：可以按照客戶要求量身定做！ The PVC Steel Line Flexible Duct for shipment or mining we sell are manufactured by us. And our factory is established in 1992, from that time, we always produce this kind of PVC duct. Through these years, we have abundant experience and the ability of production and development. Our products are in high quantity and stability, and the price is very reasonable, we delivered the goods in time. We also have several species and various specification. YOU CAN MAKE SOME REQUIREMENT WHEN YOU MAKE AN ORDER. IF YOU HAVE ANY QUESTION, WELCOME YOU ASK US AT ANYTIME!! The PVC Steel Line Flexible Duct is made by the preventability buming Two-sided net cloth and the steel ine. It