... 3,Built-in gas spring makes the table top moved up/down easil 1,Table board size:L900*W450mm2 ... facilities.3,Silence design,no noise whine adjusting table height.4,Safety,ong-off forming of ... compound resin plywood for table surface,against corrosion of iodine,alcohol,hydrogen peroxide ... 5,Easy for use,one-hand operation.6,Table height adjusted adjusted by air-spring,adjustment ...