Keywords : Balance kneeling chair, Study chair, Office chair, Healthy chair, Workout chair， Multi-function chair, Folding chair, balans, school chair

Description : Shanghai Hanchen Mechanical Technology Co., Ltd is a technological enterprise which devoted itself to serve both in manufacturing and marketing balance chair. Since the passing of ISO 9000 certification in 2006, we have claimed 26 patented technologies. The functional and structural merit of the balance chair we developed alone is at the top of the world and the products are quite popular in the United States, Japan, and European countries.