... processing, Riveting, Welding ,Forging ,have forging,costing and heating treatment workshops AnShan Ying Yat Trade Co., Ltd and AnShan HongMing ... .There are subsidiary divisions consist of forging, casting, heat treatment, machining, and structural rivet welding in our company. We ... kinds of agricultural machineries. For example, 180T BOF (basic oxygen furnace), 1550 x 250mm slab caster, 18 x 29 ball ...