1. Size: DN80-2000mm. 2. Process: Adopts advanced production technology (lost foam), production and testing equipment. 3. Standard: Accords with ISO2531: 1998 and EN545. 4. Surface coating: Standard inner cement line as per ISO4179, at least 130GSM as per ISO 8179 for zinc coating, at least 70um as per ISO 8179 for bitumen painting; Epoxy powder coating available. 5. The products have advantages such as thin wall, good toughness, anticorrosion, long service life, easy application and reasonable cost performance 6. The products have been widely used in water supply, oil supply and the supply of other fluid materials for urban construction, petrochemical industry, chemical industry, metallurgy, power stations, and irrigation and drainage for farmland
