PP-R pipe is an environment-friendly green building material of European origin that quickly became popular. According to statistics, the annual consumption of PP-R pipe in Europe from 1993 through 1998 grew from 30,000 tons to 44,000 tons with the average rate of increase of over 15% annually. Its consumption in Europe in 1997 reached 147 million meters. The first PP-R pipe production equipment was introduced into China in 1997. Through the market cultivation and publicity ever since, PP-R pipe has met with a flourishing opportunity of development with a huge market space in China. In December 1999, the State Ministry of Construction, Economic & Trade Committee, Quality & Technical Supervision Bureau, Administration of Building Materials jointed enacted the No. [1999]295 document-the "Notice about Eliminating Outdated Products in Residential Construction", which expressly stipulated that "no cold galvanized pipe shall be used as indoor water pipe for newly-built residences since June 1, 2000; hot galvanized steel pipe shall be gradually limited in use and replaced by the new pipe product-PP-R pipe". Compared to traditional pipes, such as galvanized pipe, PVC pipe, PP-R pipe-a key product dealt with by Shanghai Longsheng Pipe Co., Ltd.-has significant advantages: it is environmentally protective, healthy, easy to be installed with long use life and low composite cost. As the model of domestic PP-R pipes, Longshengs PP-R pipe is being rapidly accepted by more and more families due to its excellent quality, reasonable price and good services.