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Page 1:  · Progressive processing of aluminum strip into stepped shape by cold forging (2 outs). (Extrusion) (Housing/JlS:A6061 strip/Hard Disk) Cold forging processing from sheet metal
Page 2:  · Progressive processing of aluminum strip into stepped shape by cold forging (2 outs). (Extrusion) (Housing/JlS:A6061 strip/Hard Disk) Cold forging processing from sheet metal
Page 3:  · Progressive processing of aluminum strip into stepped shape by cold forging (2 outs). (Extrusion) (Housing/JlS:A6061 strip/Hard Disk) Cold forging processing from sheet metal
Page 4:  · Progressive processing of aluminum strip into stepped shape by cold forging (2 outs). (Extrusion) (Housing/JlS:A6061 strip/Hard Disk) Cold forging processing from sheet metal

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