Ho-Pipe Co., Ltd., Zhengzhou (www.zzhtgy.com) is located in Zhengzhou City, Henan Shenzhou No. 168-2 Avenue, Contact: Jia Hao Tong Zhengzhou Pipe Co., Ltd., is a large Central Plains Municipal sewer HDPE double wall corrugated pipe production, one tube light, length, less joints, low requirements for trench upvc bellows factory in Luoyang, Zhengzhou convenient connection upvc bellows manufacturers, construction of fast upvc bellows manufacturers, less construction costs, in cities and superiority under harsh natural conditions more prominent; 3, PE double wall corrugated pipe in terms of comprehensive economic advantages of PE pipe is being recognized by more and more users. PE pipe price though, but not higher than the total project cost is slightly higher than the cement pipes cement pipes. PE double wall corrugated pipe has a unique flexibility, elongation at break was 500% above Xinzheng upvc bellows manufacturers, bend radius as small as 20-25 times the pipe diameter or less, excellent scratch resistance capabilities. PE pipe laying moving, bending and interspersed easy. Zhengzhou, Henan Haotong Pipe Co., Ltd., is the Central Plains municipal drains relatively large double-wall corrugated HDPE pipe manufacturer of PE double wall corrugated pipe product technology has been very mature, has formed strict and scientific management design. Long-term performance of PE double wall corrugated pipe has formed a standard evaluation methods and systems evaluation system, the following detailed description, etc. for everyone under PE double wall corrugated pipe and PVC pipe hygiene comparison. 1, PVC pipe and PE double wall corrugated pipe itself as a non-toxic, if strictly control the production, PVC pipes also can use the water supply network. But in the case of strict control, the problems that may occur;