Released time:7/31/2011 Click:
Steel grating can be used as manhole cover in city public works.
Features of Product:
Attractive appearance: Simple lines, silver surface and modern conception.
Optimized Draining Design: Water draining area amounts up to 83.3%, which is equal to twice of the cast iron product.
Hot-dip Galvanization: Strongly rust-proof, need no maintenance and replacement within 30 years.
Anti-theft Design: The cover and the frame are connected with chains, which is anti-theft, safe and easy to open.
Saving Investment: Cost less than cast iron product in the case of large span and heavy load, and can save expenses incurred by replacement of stolen or crushed cast iron covers.
High Strength: Much higher strength and ductility than cast iron and applicable to environments of large span and heavy load such as docks and airports, etc.
Various Types: Can meet different environment, load, span and shape requirements, and can be customized based on provided size and shape.
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