T728B
$0.00
Self weight adjusting synchronized mechanism with backrest return prevention safety function and 5 locking positings;A for seat height,B can adjust seat and back movenment,its seat angle is from 0°-4.5°，its back angle is from 90°-108°.
Self weight adjusting synchronized mechanism with backrest return prevention safety function and 5 locking positings;A for seat height,B can adjust seat and back movenment,its seat angle is from 0°-4.5°，its back angle is from 90°-108°.
