Strong bearing capacity. During the experiment the product bearing 500KN pressure is not destroyed, carrying capacity is much better than the national standard (360KN). While in line with EU standards EN124. Can withstand a variety of heavy-duty trucks rolling, effectively prevent accidents caused by falling covers produced. Sophisticated casting process to make products lines clear, covers a unique non-slip surface pattern, increasing friction, prevention due to rain, snow, ice covering pedestrians slipping. I designed manhole covers used GB Atlas No. There: 97S501-1 Atlas (S501-1 ~ 2) single, double covers and stepping, 06ms201-6 / -7 / -8,02s501-2 covers double, single and double covers stepping, 05S518 gullies, 04S531-1 loess area and drainage infrastructure and interface Atlas introduction: ф500, ф600, ф700, ф800 light and heavy ductile iron and gray cast iron and seat covers. ф500, ф600 lightweight reinforced concrete manhole cover and support. Cast iron, steel still. Building electrical installation works Atlas - design and construction materials episode (second edition) cable manholes common practice chart double manhole covers design can be changed according to customer requirements, and then sprayed black asphalt, making products look bright, clean, resistant to oxidation and corrosion. QT500-7 ductile iron material, increasing the density of the product, so that the product has a strong compression. Bending, impact, heat, cold, abrasion, acid and alkali resistance, aging is not easy deformation characteristics. .. During the experiment the product bearing 500KN pressure is not destroyed, carrying capacity is much better than the national standard (360KN). While in line with EU standards EN124. Can withstand a variety of heavy-duty trucks rolling, effectively prevent accidents caused by falling covers produced. Sophisticated casting process to make products lines clear, covers a unique non-slip surface pattern, increasing friction, prevention due to rain, snow, ice covering pedestrians slipping. I designed manhole covers used GB Atlas No. There: 97S501-1 Atlas (S501-1 ~ 2) single, double covers and stepping, 06ms201-6 / -7 / -8,02s501-2 covers double, single and double covers stepping, 05S518 gullies, 04S531-1 loess area and drainage infrastructure and interface Atlas introduction: ф500, ф600, ф700, ф800 light and heavy ductile iron and gray cast iron and seat covers. ф500, ф600 lightweight reinforced concrete manhole cover and support. Cast iron, steel still. Building electrical installation works Atlas - design and construction materials episode (second edition) cable manholes common practice chart double manhole covers design can be changed according to customer requirements, and then sprayed black asphalt, making products look bright, clean, resistant to oxidation and corrosion. QT500-7 ductile iron material, increasing the density of the product, so that the product has a strong compression. Bending, impact, heat, cold, abrasion, acid and alkali resistance, aging is not easy deformation characteristics. The product range of products for a wide range of application, the available water supply in urban construction, municipal sewage pipeline inspection wells, heating, gas manholes, postal services, telecommunications, communications cable tube wells, power lines wells, wells street, fire wells, each Well kind of valve, corrosion engineering, ditch cover, and can be manufactured according to customers' special needs. Tel: 86-0310-7851678 Fax: 86-0310-7829988 mobile phone: 13930053488 qq: 510006987 E-mail: admin@sino-fumei.com website: http: //sino-fumei.com/