Our factory established in 1999, are one of the largest manufacturer that specializing in producing manhole covers in China, we have an extensive product range of single and multiple sectional covers. Our covers are suitable for a huge range of applications that include; Underground Electrical Installations: Draw pits, traffic lights, street lighting, Fibre optic cable ducts etcTelecommunications: Connection chambersWaterGasPetrochemical InstallationsThey are suitable for both interior and exterior use. We provide a range of load bearing capabilities to suit mast applications. Our products have the following special advantages: 1. Strictly manufactured according to ISO 9001: 2000 and EN1242. High load capacity (Max. 40ton) 3. Contain no metal4. Long service life (Min. 30 years) 5. Well sealed, no noise pollution or rebound6. Good wear and corrosion resistance, never rust7. Special Relief Sculpture on Surface with good decorative effect8. Perfect design and rich colors individually against various needs andRequirements. Our products have obtained various kinds of certificates, including: 1. patent certificates for new applied productsPatent Number: ZL01257174. 1 & ZL 02277033XIssued by China National Knowledge Property Right Bureau2. gold Medal at 2003's Hong Kong International Patent Technology Fair3. quality System CertificateIssued by China National Imp. Exp. Commodities Inspection Corp. 4. certificate of Recommended ProductsIssued by China National Construction Association of Building EngineeringThe Engineering Tests our products passed, including: 1. test Report issued by National Center For Quality Supervision and Test of Building Engineering2. test Certificate issued by ABU DHABI region3. others We can supply 3 types of manhole covers against its shape: 1. circular Cover2. square Cover3. Circular cover with Square outsideFour grades of load capacity are available: EN124-A15, B125, C250, D400Please contact us with full specification and your price concept on the items you are interested in.