... executive swivel chair mechanism 1.produced according to customer's design. 2.BIFMA testing. 3.experience more than 5 y iron executive chair swivel ... , such as adjustable armrest/arm,armrest/arm pad, bracket,chair frame, chair base ,chair mechanism and so on . Most of our products are ... over the world,our main market is U.S.A.,Middle East,Czekh,.Australia,Taiwan and main land China.With the ...