... pipeSpecification:1,Material: high quality HDPE1002,Colors: black OR others on request 3,Standard: GB/T13663-2000 4,Certification: ISO5 ... flanged joint Applications: 1,water supply2,industrial liquids transportation 3,sewage treatment 4,gas supplyAdvantages:1,Non-toxic: no ... Corrosion Resistant: resist chemical matters or electron chemical corrosion 3,Lower Installation Costs: light weight and ease of ...