Steel grating is the product in accordance with customer抯 requirements that is lined by load flat steel and horizontal rod alternately in a certain space, welded into primary plate in the high voltage resistance welding machine, then through the deep-processing of such working procedures as cutting, slitting, tapping, bordure, etc. Its characteristics: high strength, light structure: firm mesh welding structure endows it with the characteristics of high load bearing, light structure and convenience for lifting; handsome appearance and durable: hot dip zinc galvanizing surface treatment makes it own good antiseptic power and its surface glossy and handsome; have good properties of ventilation, lighting, heat elimination, explosion proof and anti skid.