1.plastic pipe and fittings 2.coupler, tee, elbow, reducer,union 3.GB/ISO standard,BV certificate 4.hdpe,ppr,pert,pb,brass plastic pipe fittingsProduct Details1.HDPE pipe fittings Namehdpe pipe fittingBrandJunxingMaterialPolyethyleneSize20-1600mmcolorBlack,customized colors availableCertificateISO14001,ISO9001, BV ,GOST certificatePressure grade1.6MPaCoupling20mm-630mmReducer25*20mm – 800*630mm ...