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Grating and by load flat steel bar with a certain distance between latitude and longitude,in the high pressure resistance welding machine from the orignal plates,by cutting,inclsion,hole while the processes of deep packet processing requierments of the products from customers.high strength,light structure;a solid structure of the grid to pressure welding with a high load,the structure of light,characterized by ease of lifting ;pleaseing in appearance,durable:Hot-dip zinc surface treatment so that it will have very good anti-corrosion ability,the surface gloss
Grating Series