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            防火阀生产线系列

            Fire Damper Automatic Line series

            叶片成形生产线

            Blade forming product line

            风管 挂架生产线

            Duct Rack YX-41X21 41 61

            防火门成型机

            Fire-proof door Duplex Door panel

            横梁生产线

            Shelf Beam

            冷弯成形机

            ROLL FORMING MACHINE