welded fence

Steel Grating also named bar grating.

Bar grating is made by the world first-class Italian ORSOGRIL equipment .which can arrange the bearing bar and cross bar in longitude and latitude order to certain distance .Cross bar is pressed into the bearing bar by high tension resistance weldingring which is controlled by computer ,So we can produce high quality gratings with firm welding ,smooth surface and high strength.

Surface Process of Gratings
1.Normally ,Hot galvanizing will be carried out after end welding process.The quailty and requirements after hot galvanizing are subject to the standards of GB/T 13912.
2.To gain protection layer through the ways of spraying,brushing and soaking.