The hang ceiling system absorb the same products' advantage at home, it is designed according to cleaning workshop feature at home, it possesses simple processing and installing, easy disassembling, repetition using. Modularization design , fit manufacture, cut processing, construction pollution decreases greatly. And system intension are high, can walk above surface. It is used for high cleaningarea: electron, semiconductor, medicine and so on System structure: aluminium alloy keel, blind board, connect board, steeve, FFU.