This chair has held up tremendously. I bought it pretty quickly in 2020 and 8 hours a day for a year plus most days in 2021 and then about half the days in 2022... durable no problems at all. great back support the seat is comfortable as well. My daughter asked for the same for Christmas in 2020 and she's WFH more than I am and also very pleased.
This chair is a good value for your money. The best feature I liked is easy assembly. An Allen wrench was provided that allowed you to tighten all screws needed to assemble the chair. All screws were coded by letter( part a. part b etc.). This made it easy to put all screws in the right place.
The lifting mechanism seems to be of good quality. However the seat cushion is hard and the seat is small. I am only 5'2" and the back of the seat does not come near me my knees. Not sure why all of the positive reviews. I would not buy again.