Prefer aluminum as base material, die casting by large oil press. Imported strong glue HPL or PVC . Pedestal, stringer are pressured forming with steel, lead screw could adjust height. Suitable to use in all manner of computer room, network service room monitor control center, electronic workshop/clean room, dauntlessness chamber etc and occasions which require on antistatic and air conditioning. The frame of perforated floor is similar with anti-static raised floor, but it has punched ventilation hole without stuff. Full steel, HPL or PVC punched tile, surface punched panel which is SPCC hard steel of Shanghai Bao steel, manual welding for the bottom square tube. All manner of computer room, network service room monitor control center, electronic workshop, clean room,dustless chamber etc and occasions which require on anti-static and air conditioning.