HANGZHOU SHTECH CO.,LTD . Founded in 1999, the leading manufacturer specialized in the tubular motor and motorized height- adjustable desk , By more than 15 years efforts , we have passed ISO9001-2000 quality control system for the advanced management ,under the experienced worker teams , mow more and more customers from US Europe and Australia have taken Shtech as reliable partners, why not you ? Why the table top can be raised , the reason is that there is a electric tubular motor inside , the table top will get down or up under the control of the button from the motor , the motor is the heart of table .