Our factory established in 1998, which is a national-level new high -tech enterprise , specializing in producing and supplying composite materials(fiber glass) products: such as composite material manhole cover, rain-grating ,tree-grating and so on. Our composite materials manhole covers are suitable for a huge range of applications that include: 1. Underground Electrical Installations: Draw pits, traffic lights, street lighting, Fiber optic cable ducts etc 2.Tele communications: Connection chambers , Water, Gas, Petrochemical Installations Our products have the following special advantages: 1. Strictly manufactured according to ISO 9001: 2000 and EN124 2. High load capacity (Max. 40Ton) 3. Contain no metal;so the manhole cover will be not stolen by the thief. 4. Long service life (Min. 30 years) 5. Well sealed, no noise pollution or rebound 6. Good wear and corrosion resistance, never rust 7. Special Relief Sculpture on Surface with good decorative effect 8. Perfect design and rich colors individually against various needs and requirements. Please contact us with full specification and your price concept on the items you are interested in.We will supply you good quality products and competitive price .