国产人妻人伦精品熟女-清冷校草受灌满哭求饶BL-国色精品卡一卡2卡3卡4卡免费-人禽乱H交H高文-久久久free性zozo交体内谢-国产精品扒开腿做爽爽爽视频-国产精品福利小视频-精品国产美女福利到在线不卡-岛国AV无码在线-亚洲AV日韩精品久久久久

　　As a manufacturer of ventilation pipes, all we can do is to do a good job of ventilation pipes, so that the building can obtain a reliable ventilation system in use. The quality of our products may bring changes to your life, as well as more safety factors. What are the advantages of the ventilation pipes produced by Jinan ventilation equipment factory?

　　1、通風管道施工簡單，增加室內空間，密閉，不返煙，不返異味，可大大改善室內環境。

　　1. The simple construction of ventilation pipe can greatly improve the indoor environment by increasing the indoor space, airtight, no smoke, no smell.

　　2. 造價低:與傳統磚砌通風管道相比，可節省約40%的工程造價;

　　2. Low cost: compared with the traditional brick ventilation pipe, it can save about 40% of the project cost;

　　3.重量輕、強度高:與傳統磚通風機相比，菱鎂礦通風機重量輕、強度高，可大大減輕建筑物的負荷;

　　3. Light weight and high strength: compared with the traditional brick ventilator, the magnesite ventilator is light weight and high strength, which can greatly reduce the load of buildings;

　　4. 獨特的設計:通風管道的開口處設有防煙止回閥和防火隔離門，有效防止異味和火災。

　　4. Unique design: anti smoke check valve and fire isolation door are set at the opening of ventilation pipe to effectively prevent peculiar smell and fire.

　　5. 靈活設計:通風管道可根據預留孔的大小隨時調整;

　　5. Flexible design: the ventilation pipe can be adjusted at any time according to the size of the reserved hole;

　　6. 通風管道良好的防火性能:目前普遍存在的問題是成品通風管道的燃燒性能和耐火極限沒有經過國家相關部門的檢測，部分通風管道的燃燒性能和壁厚不符合要求。

　　6. Good fire performance of ventilation duct: at present, the common problem is that the combustion performance and fire resistance limit of the finished ventilation duct have not been tested by relevant national departments, and the combustion performance and wall thickness of some ventilation ducts do not meet the requirements.

　　濟南風管加工廠擁有行業內先進的自動化設備，與傳統的手工工藝相比，采用自動化生產線具有產能大、效率高、能滿足不同客戶的需求，為廣大客戶提供更好的服務。解決客戶的上級問題，為客戶提供性價比高的通風管道產品。我們將一如既往地致力于推動通風管道行業的發展，為此付出不懈的努力!

　　Jinan air duct processing plant has advanced automation equipment in the industry. Compared with the traditional manual process, the adoption of automatic production line has the advantages of large capacity, high efficiency, meeting the needs of different customers, and providing better services for customers. Solve customer's superior problems and provide customers with cost-effective ventilation pipe products. We will, as always, be committed to promoting the development of the ventilation industry, and make unremitting efforts to this end!