a good office chair, shall conform to the following standards:

must have height adjustable device for 360 degree rotation and flexible basic functions.

seat depth and width dimensions correctly, Chair keeping arcs extending down the leading edge and choose permeability good fiber on canvas.

a supporting body, eliminate fatigue tension of the backrest.

body curves design of waist size to prevent lumbar vertebral arch, and to protect the function of lumbar spine.

Chair must be combined with body movement, should not restrict a user, there is only one seat.

selects the large size, high security at the end of the five-clawed feet.undefined

chairs should not be hooking poor work design clothes or, if using a chair with armrest, you will need to use Rails feel-good material on the surface.undefinedundefinedundefinedundefinedundefinedundefined style= "FONT-SIZE:14px" >  http://www.pinmer.com/  the United States sincerely for your service!