... customized for each customerMaterial: high quality HDPE80 or HDPE100 Standard: GB/T13663-2000 Certification: ISO9001,ISO14001,OHSAS18001FeaturesMaterial: high quality HDPE80 or HDPE100Size ... fusion joint,butt fusion joint,electro fusion joint,flanged jointStandard: GB/T13663-2000Certification: ISO9001,ISO14001,OHSAS18001Applications: water supply, industrial liquids transportation ...