... LG, SK, Basel 50 years service life PE100 pipe for water&gas largest state owned-cor China ... we are China largest state-owned company for building materials.ISO9001 ISO14001HDPE pipe size:dn20~ ... small diameters PE pipe for water supply can be coiled and supplied for longer length, which saves a ... water resistance, high flow capacity,7.Long service life :up to 50 years under normal conditions.8 ...