Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specialize in producing and supplying composite materials(SMC/BMC) manhole cover, drain grating ,tree-grating, gully grating. Strictly in accordance with BS EN124 and have obtained various kinds of certificates. Till now, our competitive products not only have good market in domestic, but also owned a large overseas market with a high reputation. Cover size: 900mm Frame size: 1065x113mm Load grade: B125/C250/D400 Materials: SMC Features of SMC manhole cover Fire prevention & low noise. Security, No recycling value. Anti-corrosion, insulation resistance. Double-lids design for fall protection. Non-slip surface design, no rust. Durable, service life for more than 30 years. If you want to know more details, welcome to visit company