After-sales Service: | Permanent |
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Warranty: | 3-5year |
Material: | Iron |
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Class | Manhole covers and grates | application | Dimensions (frame mm) |
Level 1: | A15 | Green belts, sidewalks and other areas where motor vehicles are prohibited from entering. | 750*622*60mm |
Level 2: | B125 | sidewalk, non-motor vehicle, small car parking lot and underground parking lot. | 750*622*70mm |
Level 3: | C250 | Residential quarters, back streets and alleys, areas where only light motor vehicles or small cars drive, within 0.5m of curbs on both sides of the road. | 850*622*100mm |
Level 4: | D400 | urban trunk roads, highways, expressways and other areas. | 850*622*100mm |
Level 5: | E600 | Freight stations, docks, airports and other areas. | 850*622*100mm |
Level : | F900 | Airport runway area | 760*622*140mm |
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1.Q: Are you manufacture or trade company?