In the broader market of the future, we hone our technology to become more mature, thus reducing the cost of our Check Valve, C250 manhole cover, Ductile Iron Pipe Fitting. We constantly summarize and improve the learning culture in practice, advocate people-oriented, and vigorously promote the culture of labor. We are willing to establish a long-term and stable cooperative relationship with you.
Circular Manhole Cover
Product Name | Circular Manhole Cover |
Material | Ductile Iron GGG500-7/450-10 |
Color | Black, as your request |
Class | A15,B125,C250,D400,E600,F900 |
Standard | EN124 |
Shape | Round type |
Design | a) Major standards designs available |
b) As per customers' drawings or samples | |
Process | a) Molding boards |
b) Mechanical production line | |
Coating | a) Cold applied black bitumen |
b) Without coating | |
c) Coating as per customers' requirement | |
Package | Wooden pallets or steel pallets or As per customers' requirements |
Inspection | Foundry in-house: Third party inspection available upon request |
Application | Urban drainage system,Municipal Engineering |
Circular Manhole Cover

Our excellent Joneng Sanitary Grade Stainless Steel Non Pressure Round Tank Manhole Cover (JN-ML 1002) occupies a huge market share in domestic and is exported to countries all over the world. Our management principle is to take market demand as the guide and user requirements as the standard. We adhere to the development strategy of "high specialization and moderate diversification" and are committed to employee growth, customer satisfaction and corporate development.
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