What are the regulations for the use of pipes and pipes in the country?

Around us, often see a variety of pipe pipe, but some application is not very extensive, so as to further promote the development of plastic pipe industry, the state promulgated the "national chemical building materials industry" fifteen "plan and the 2010 development plan" and related policy documents. In the "Outline" clearly pointed out: by 2010, the construction of drainage pipes 80% plastic pipes, building rainwater drainage pipe 70% plastic pipes.

   City drainage pipeline 30% using plastic pipe, building water supply, water supply and heating pipes with 80% PVC pipe production line of plastic pipe, city water supply pipeline (DN400m m 70%) using plastic pipe, rural water supply pipeline 70% using plastic pipe, city gas pipeline (low pressure pipe) with 60% plastic pipe, building wire 90% using plastic pipe casing. In addition, the Ministry of construction in the No. twenty-seventh and No. 218th announcement and related guidance documents, the plastic pipe as a kind of new building materials are key to promote the application of plastic pipe, is applied in the construction industry plays a promoting role.