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    Craftsmanship 220V Cooling Fan grille

    Date: 2015-3-27   Click: 1663 Times

    The first step: a circular motion. All "220V Cooling Fan" grille circle are from here, you need to hit much much circle.
    Step two: welding circle. Out of the circle in front of the production, in this step welding. Place the product on the welder, welding it, this process is complete.
    The third step: playing feet. All the "220V Cooling Fan" grille bracket are conducted at this stage.
    Step four: Spot. Then this step it is to have a good circle of welding, producing a good stand directly on top molding die molding,
    Step Five: stamping. Some nets in the lock screw positions will need to have a certain height, it will need our folding grille molding good. It will require staying punching machine (punch) help.
    Step Six: plating. To this point basically came to an end, all the "220V Cooling Fan" nets packed directly outward to the side plating electroplating factory, and in this part we can plated grille into silver, black, gold, white nickel, black nickel.

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    亚洲性爱综合网_少妇人妻一级黄色片无码_久久亚洲AⅤ无码_中国成人A级黄色毛片
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