Cov kav dej hauv nroog thiab nyob deb nroog: PE kav dej huv si thiab tsis muaj qhov ntsuas, thiab tsim nyog rau cov kav dej hauv nroog thiab nyob deb nroog thiab cov kav dej faus. Lawv yog cov huv si, kev lag luam, yooj yim rau kev tsim kho thiab siv tau ntev; Zoo creep kuj thiab kev lag luam, maj mam hloov cov yeeb nkab number case rau hauv nroog kis tau tus mob; Hloov cov cement yeeb nkab, cam khwb cia hlau yeeb nkab thiab steel yeeb nkab: siv rau cov qub network renovation tej yaam num, tsis xav tau rau loj-scale excavation, yooj yim siv, uas tsis muaj nqi, Nws yog dav siv nyob rau hauv lub transformation ntawm pipeline network nyob rau hauv lub qub nroog; industrial raw khoom thauj mus los pipelines: tshuaj, tshuaj fiber ntau, khoom noj, hav zoov, kws, lub teeb kev lag luam, papermaking, metallurgy thiab lwm yam raw khoom thauj pipelines; landscaping water supply network: landscaping yuav tsum tau ib tug loj tus naj npawb ntawm pipelines dej, qhov yooj thiab tsawg tus nqi ntawm cov kav dej PE ua rau lawv xaiv zoo dua; Cov kav dej phwj tuaj: PE kav dej muaj qhov tshwj xeeb corrosion tsis kam thiab tuaj yeem siv rau cov dej khib nyiab thiab cov dej phwj tuaj, nrog tus nqi qis thiab kev saib xyuas; ore xuab zeb thiab av nkos kev thauj mus los: PE Cov raj xa dej muaj kev tiv thaiv zoo rau kev ntxhov siab, hnav thiab xeb, thiab tuaj yeem siv dav siv los thauj cov ore, thee tshauv thiab dej dredging av; nrog rau kev ua liaj ua teb irrigation pipelines.
