High strength. The strength and the toughness are much higher than cast iron. Can be used for terminals, airport and other large-span and heavy loading condition.
Hot-dip galvanized treatment. Good rust-proof property, maintenance-free replacement.
Anti-theft design. The cover and the frame is joint with hinge offering security, safety and open convenience.
Savings investments. Large-span. Less lost for heavy load compared with cast iron products. Cost can be saved for the risk of being stolen or crushing one if cast iron is uses.
Aesthetic outlook. Simple lines and silver appearance meeting the modern trend.
The best drainage. Leakage area of 83.3 percent, more than twice of cast iron products.
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