1. Beautiful appearance
2. Quite a good drainage: the leakage area is 83.3 percent, more than twice that of cast iron.
3. Strong anti-rust, maintenance-free and replacement.
4. Anti-theft design: cover and frame with hinge connection, anti-theft, easy to open.
5. Save money: large span, heavy load, lower than cast iron price and save the cost of stolen or crushed replacement.
6. Strong toughness: strength and toughness are much higher than cast iron, can be used in docks, airports, and other large spans and heavy load environments.
Zibo Best Energy-saving Materials Co., Ltd. Specialize in composite manhole cover, trench cover, drain grating and cable cover. More than 15 years experience and easy to get professional technical.
