1. Standard: ASTM(ANSI/AWWA) 2. Diameter: DN 80~1200 3. Painting: Bitumen (70microns) painting accordance with ISO8179 4. Delivery time: 30 days after receiving the deposit 5. Testing: SGS inspection factory inspection or third inspection (standard for bitumen painting) 1. Before painting: Remove dirt of socket and then brush with semi-gloss, innocuity, quickly drying, red high build anti-corrosive paint (guarantee appearance quality, gloss, corrosion resistance, staying quality) 2. Warm up the pipe to a temperature of 70_80吏�C and paint with high build bituminous anti-corrosive paint 3. Entering into dry furnace to dry quickly in a temperature of 60---70夷�C.