1.Perfect appearance:follow the trend.
2.Better drainage:water leakage area is 83.3%, which is more than twice of cast iron.
3.Design of anti-theft:no later recycle value,anti-theft,safety and easy to open.
4.High strength: load bearing capacity can reach 40-50tons.
5.Good weather-ability: corrosion resistance; acid-alkali resistant.
Zibo Best Energy-saving Materials Co., Ltd. was established in 2004, specializing 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.