Shanxi provisions pe water pipes following standards contain, through reference in this text, constitute provisions of the standard. At time of publication, the editions indicated were valid. All standards are subject to revision, the standard parties should explore the possibility of using the latest version of the following standards. GB / T 2918 a 1998 plastic sample conditioning and testing of the standard environment (idt ISO 291: 1997) GB / T 3681-1983 Plastics exposure to natural weathering test method · The main advantage of the useful life of 50 years, light-weight construction · earthmoving less convenient and less corrosion resistance · · · Pipe shipping costs depending on the color of the track is good · pipes and fittings for the yellow or ink. Dalian pe water pipe | Xiong Wang Thai (certified) | Heihe pe water supply provided by Xiong Wang Thai Plastic Products Factory. Xiong Wang Thai Plastic Products Factory (www.wangtai668.com) Hebei Baoding, UPVC pipe leaders, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Xiong Wang Thai leaders in the staff warmly welcome all inquiries negotiations to create Xiong Wong Tai a better future.