Rigid waterproof casing is a steel pipe plus wing ring (steel ring set made on the pipe), mounted on the wall (mostly concrete walls), for general pipe wall sealed waterproof casing, which will help waterproof the wall, and flexible waterproof casing addition to the external wing ring waterproof casing models, internal as well as stalls circle like, Falanneisi, complete sets sold, but also their processing, there is damping for roofing needs of the tubing casing, such as pumps and pipes when connected through the wall. Anti-corrosion waterproof casing, waterproof casing corrosion coatings through specially treated, waterproof casing effectively prevent oxidation and corrosion. Material class pipe through the floor needs to be protected. For example, the above plus everyone on the sleeve of plastic pipe drainage practices that prevent pipe root a protective measure by external damage. (Plastic Pipe fear damage from the roots, because maintenance is very difficult). Large waterproof casing, waterproof casing, Serco supply materials provided by Serco Gongyi City Water Supply Materials Limited. Serco Gongyi City Water Supply Materials Co., Ltd. (www.gyxjbcq.com/) strong, credible, in Zhengzhou, Henan valve industry has accumulated a large number of loyal clients. The company better work attitude and constantly improving innovative ideas will lead Serco supply material and you work into the brilliant, for a better future!