​Must have a height-adjustable device and a flexible 360-degree arbitrary rotation basic function.

The depth and width of the seat must be correct. The front edge of the chair should be kept in a circular arc. At the same time, a fiber cloth with good air permeability should be selected.

It has a backrest that supports the body and relieves fatigue and tension.

The curve design is matched with the waist size of the human body to prevent the lumbar vertebrae from becoming arched and achieve the function of protecting the lumbar vertebrae.

The chair must move with the body, not restrict the user, only one sitting posture.

Choose a five-claw foot with a large bottom area and high safety.

The chair must be able to move freely. It is best to choose a chair with wheels, and the wheels should be made of different materials according to the softness and hardness of the floor.