Our company is specialized in manufacturing and exports all kinds of steel

 gratings with the best quality and competitive price and faster delivery time. 

1>Material :Mild steel & Low carbon steel, etc.

2>Surface process: hot-dipped galvanized ,electro-galvanized and spraying 

and soaking.

2.Specification of round steel grate .

1>Shape of bearing bar: plain or serrated  type.

2>Bearing Bar Pitch (center to center):according to client's requirement and 30, 40, 60mm are 

recommended,
3>Bearing Bar (Load Bar) Specifications (mm):The specification of plain type and serrated type

 bearing bar is 20 x 3 to 100 x 10; 4>Cross bar pitch :38.1, 40, 50, 60, 76, 80, 100, 101.6, 120mm

, 2' ' & 4' ' etc

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3.Manufacturing process of round steel grate .

The factory of our company has high ability to manufacture galvanized steel grating in large 

quantity. We can ensure the quality at a competitive price,and we can manufacturer all kinds of

galvanized steel grating. 

 Galvanizing Process of steel grating 

4.Standards of  steel  grating .

5.The application of steel grating.

The products are widely used in steel structure platforms, stair treads, sidewalks, drainages and well 

covers etc. We can design and manufacture standard steel grating and in custo.

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6 The installation of  steel driveway grating,galvanized steel

grating walkway.

The galvanized steel grating manufactured by our company is easy to install,there

are two ways to install.You can weld it directly or use Mounting clip to fix it,the 

installation of galvanized steel grating is very easy.

7.Customers visiting for steel grating.

time of deilivery: 15-20 days after receiving 30% deposit

Payment: 30% by T/T in advance, the balance by T/T against the fax copy of B/L.

 Why choose Haiao ?

1)We have a standard manufacturing line and a complete quality ensuring system for high quality galvanized steel grating reaching your  requirements.

2)We own most advanced production equipments.The CNC press-welding meshine is controled by computers.

3)We have more than ten years experiences about manufacturing and exporting.

4)We own more than ten senior engineers,they can promise our product technology in the industry in a leading level.