manual ergonomic adjustable up and down computer desk

TECHNICAL PARAMETERS:
? Adjust range (vertical): 740-1220mm
? Adjust range (horizontal): fixed
? Speed (mm/circle): 6
? Max. load capacity: 60kg
? Desk frame Colour: Black, Gray, White
? Desktop Size (mm): 1400*600
? Lifting column size(mm): Designed shape
? Column Material: Aluminum alloy
? Warranty: 5 years for desk frame
? Desktop Color: black, white, maple
manual ergonomic adjustable up and down computer desk