1,150mm hdpe pipe 2, for pe100 from 20mm to 630mm; 3, for pe 80 from 63mm to 710mm; 4, with pn0.4mpa, ... 0.6mpa, 0.8mpa...1.6mpa 1, 150mm hdpe pipePE water supply ... .Standard:GB/T13663-20008.Certification:ISO9001,ISO14001,OHSAS180019.Applications:water supply,industrial liquids transportation and sewage treatmentAdvantages:1.Non-toxic:no heavy metal ...