Blow Bar. Get Price Quote. Capacity: .: 5 Kg to 150Kg. We are one of the well-known manufacturers of Manganese Steel Castings such as Manganese Steel Hammers, Jaw Plates, Crusher Rings, Steel Casting Liners and Steel Casting Blow Bars.GEE, as the Manganese steel Blow Bars manufacturers, have many years of making experience for …