5 floors old building, the Head-office of Chinese Silver Group company who open the stock in HongKong 2013. In this scheme, we try to bring new meaning of contemporary office behavioral model. The connection between different department should be more promoted. And they will support each other more stronger as a strong arm through each space. we cut several hole on 1-2, 2-3 and 3-4 ceilings, then put a reflective diamond sharp installations in it. We call it "Sliver arms" and it carry out the strength and connection of this big powerful firm.