1.ISO2531 &EN545 certificated by SGS
2.DN80--1200 T-type 6 meter
3.zinc spraying, bitumen coating,cement lining ,epoxy.
1) Standard: ISO2531, BSEN5452) Effective length:DN80-DN1200 6M by bulk shipment,5.7M by20'or40’container;3) Inner cement: Ordinary portland...