China High Quality Watertight Round Ductile Iron Manhole Cover with Frame and Lock, Find details about China Municipal, Roadway from High Quality Watertight Round Ductile Iron Manhole Cover with Frame and Lock
Product Name | Ductile Cast Iron Manhole Cover OEM |
Material | Ductile Iron GGG500-7 & 400-12 |
Color | Black, or as your requirements |
Standard | ISO9001:2008, DIN EN124 |
Design | EN124 A15, B125, C250, D400, E600 and F900 |
Process | Mechanical horizontal production line |
Coating | Black bitumen |
Application | Building industry machinery |