hot dipped galvanized steel grating 1. Reliable steel bar grating supplier 2. Good quality steel grating 3. Easy installation hot dipped galvanized steel gratingSteel Grating Bar1. Used in Crusher; 2. Material is high manganese Mn13%, Mn18%, Mn24%, etc. 3. Durable.High Manganese Steel Grate Bar:1. Capacity: more than 25000 tons.2. Application: machinery in metal recovery smash, mining, metallurgy ...