• Non-slip safety
Covers with tooth- and non-slip-type surfaces provide the non-slip effects and prevent pedestrians from slipping.

•Light weight and strong structure

High safety, long service life and light. The cover weights only half of the general cast iron cover.
• Fast drainage
Large drainage area helps drain water out of the road quickly.

• Elegant appearance
Simple grid geometric arrangement and aesthetic silver-gray appearance fit for a variety of environments and enhance the road landscape.
• Conform to the economic and environmental benefits
Surfaces are hot-dip galvanized and protected against rust via alloying. They do not need painting maintenance and conform to the economic and environmental benefits.
• Easy handling and construction
Light-weighted, it can be handled easily and constructed simply with a shorter duration.

• Complete specifications and plentiful variety
The most suitable forms and specifications can be selected for various locations and road conditions.
• Easy cleaning operations
Simply open the manhole cover and the sludge can be remove quickly.
• Customized design
Products can be designed according to the requirements of customers and the company name and logo can be added. The anti-thief effect is offered with the customized design!

1. Hot-dip galvanized grid covers (except edges) need to be welded with high-frequency automatic welding and shall not cause the base metal corroded..
2. All materials are the SS-400steel.
3. After the molding of grating manufacture, all the surfaces need to be hot-dip galvanized. The galvanizing amounts are in accordance with CNS1247.
4. Edge：Grid plates are welded on both sides with flat steel frame. The slag should be cleaned.
   
   Material description：
   According to CNS specifications and JIS specifications, all materials are SS400 steel materials and hot-dip galvanized.
   The thickness of zinc costing: >610g/㎡
   Tensile strength: 41-52kg/m㎡
   Elongation: >26％
   Yield strength: >22kg/m㎡