1. the use of hot dip galvanizing surface treatment: strong rust resistance.
2. Advanced domestic cover design: the ditch cover made of steel plate is connected with the hinges of the frame. It is safe, safe and convenient to open.
3. The appearance of the product is beautiful: simple line, silver appearance, modern idea
4. the net hole has the best drainage: the water leakage area is 83.3%, which is more than two times that of the cast iron.
5. saving material saving investment: large span, heavy load, low price than iron; and can save iron because the stolencrushed replacement cost.
6. the use of high-strength carbon steel, so that the grid steel has high strength: strength and toughness is far higher than cast iron, can be used for wharf, airport and other large span and heavy load environment.
7. many products: to meet the different environment, load, span and shape required, can be provided according to the size and shape of the customer.