1. Aluminum alloy lifting colum2. Easily adjusts height from 740mm-980mm with a pull-out crank;3. Knock-down packing and easy assembly.4. Knife edge table top, 25mm thickness E1 grade melamine particle board.5.SPCC Cold-rolled steel base with powder coating finished.6.Modern humanzied design for sit-stand need,steady structure with height adjustable mechanism.