It is made by Steel Grating, which is widely used in various industrial and civil constructions such as city roads, plazas, gardens, harbors, airdromes, parking lots, highways, railways, industrial projects, etc.
       
Product features:
Beautiful figure:Smooth line, argent figure, modern fashion
Optimum water drainage:Water leak area is up to 83.3%，which is twice more than cast steel.
Hot-dip galvanizing:Strong rust resistant capability; maintenance and replacing are free.
Theft protection:Cover and border are connected by hinge, which is advantageous in theft protection, safety and convenient to open.
Save investment:Great stride. Its price is lower than that of cast iron and it saves expenses due to being stolen or replaced in heavy load.
High strength:Its strength and toughness are further high than that of cast iron, which allows it to be used in such environments with large span and heavy load as harbor, airdrome, and etc. 
Various specifications:Applied to different environments, loads, spans，dimensions, and shapes.
       
Ordering instructions:
1. Pls choose the types strictly and seriously,or can talk with our business people before ordering.
2. For heavy trafic roads,toll station,tunnel,dock of container fork lift,big airdrome and special places for over loading conveyance,if the clients cannot choose from page 13,we can also provide above speical ditch cover plate,but if the clients choose the wrong types just to save the investment,the clients will take all responsibility for this.