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            | Product Name: 
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            | Composite Manhole Covers |  
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            | Describe: |  
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                      | Loading pressure | Frame size(mm) | Clearing opening(mm) | Height(mm) | Unit Weight(kgs) | accessories and/or other explanations |  
                      | C250 flat grating | 400*400 | 310*300 | 50 | 16 | with pin |  
                      | C250 flat grating | 700*700 | 600*600 | 70 | 60 | with pin |  
                      | C250 grating with slope | 400*400 | 310*300 | 50 | 16 | with pin |  
                      | C250 grating with slope | 600*600 | 500*500 | 50 | 35 | with pin |  
                      | C250 grating with slope | 520*520 | 430*250 | 50 | 18 | 
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                      | C250 grating with slope | 420*240 | 340*180 | 50 | 12 | 
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                      | D400 grating | 825*825 | 750*750 | 60 | 100 | 
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                      | D401 grating | 725*725 | 650*650 | 60 | 80 | 
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                      | D402 grating | 615*615 | 550*550 | 60 | 60 | 
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                      | Specification |  
                      | cast iron / ductile iron cover and frame |  
                      | EN124 Class C250 D400 |  
                      | black bitumen coated |  |  |  
            |   If you want to know more details, please send an email to us to sxsolid3@aliyun.com. |  |  |  |