The traditional cement drainage pipe has been certified by everyone and cannot be used for 20 years. The HDPE double-wall corrugated pipe has been certified. It can be used for more than 50 years, and even more than 70 years. The economic benefits of traditional cement drainage pipes cannot be compared with HDPE double-wall corrugated pipes. .
The gloss of HDPE double-wall corrugated pipes is much better than that of traditional cement pipes. It also has other advantages, such as not easy to accumulate, and light in quality, easy to install, even if it encounters strong acids and alkalis or under the road, it is not easy to cause opening and Torn, so most of the sewage pipes at this stage are all HDPE double-wall corrugated pipes.
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