... for cold water) Material:PE,AL,PE size:16,20,25,32 Cert.: ISO9001,CE OEM service ... arc welding of overlap and laser” )3>Size:16*2.0,20*2.0,25*2.5,32 ... color5>Certification:ISO9001,CEPRODUCTS FEATURES1>Resistance to high temperature and high pressure2>Resistance to erosion and the noiseless ... hygienic and oxygen-proof5>Resistance to electrostatic and high ignition point6>Resistance to frost and earthquake- ...