The research, has been the important water supply room adopt steel, galvanized iron pipe wall, because of its easy to rust, scaling and propagation of bacteria and microorganisms and other harmful impurities, the tap water in the pipeline transportation caused by "two pollution". In daily life, the quality of drinking water and the safety of water pipes are the core of people's attention. The metal pipe has four major disadvantages: Die rust, easy corrosion, easy leakage, easy scaling. Galvanized steel pipe is corrupted, will breed all kinds of microorganisms, purify the pipe tap water. The bacteria in the purified tap water look like tangible killers, threatening people's health from time to time.
Over the past 10 years, some developed countries have been created before and after legislation or industry regulations to curb the use of galvanized steel pipe as water conveyance pipe, and put forward the comprehensive use of green pipe as the main body does not rust, no corrosion, no leakage, no fouling fine tube.
The day before, in the "12th Five-Year" NPC and CPPCC era, the National People's Congress also put forward "on the comprehensive implementation of new energy saving and environmental protection green pipe, helped launch energy-saving emission reduction and recycling economy development". "Stop the use of cold galvanized steel pipes and all kinds of composite cast iron water supply pipe, limit the use of hot galvanized pipe, the implementation of the use of new types of plastic pipes and plastic composite pipes and other green pipe is imperative."."
It is reported that some staff initiated, the relevant state departments introduced a series of financial subsidies and other policy steps, comprehensive implementation of similar HDPE such new energy-saving environmental protection green pipe.