... pipe. In its making, glass roving, soaking by low viscosity but strong adhesive bonding resin,winds around mould ... transport lines2 Chemical and sewage treatment lines3 High/middle/low-pressure liquid delivery lines4 Brine injection lines5 Tertiary ... Bearing, High Safety Coefficient Designable Properties, Good Applicability Low Specific Weight, Easy Installation Reduced Paraffin and Scale Build-up, ...