This standard contains only PE 63, PE 80, pe PE 100 pipe material to pipe manufacturer, does not contain PE 32, PE 42 tubing materials; 2. The standard definition adds a chapter; 3. The performance requirements for pipe pe water pipe specifications, add "elongation at break" project; 4. Increased "inspection rules" quasi provides polyethylene resin as the main raw material, the extrusion of polyethylene pipe for water supply (hereinafter referred to as "pipe"), product specifications, technical requirements, test methods, inspection rules, marking , packaging, transportation and storage. The standard also specifies the basic performance requirements of raw materials, including the classification system. pe water pipe manufacturers _ _ Weihai pe water supply provided by Xiong Xiong Wong Tai Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) strong, credible, in Baoding UPVC pipe industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Taihe Wang Xiong you hand into the brilliant, for a better future!