office chairs manufacturers
is extremely important, so good cushion so naturally give the body the proper support, in turn, can reduce fatigue, so softness cushion is too high or too low will not work,
Although this also involves a person's weight, but the quality really good cushions, generally will have a certain degree of tolerance weight, even if the user sitting at a long-term, it will not
feel excessively tired. Seat must conform to the curve of the third degree curved body