SitSmart- Mid Back

 1:Medium back office chair
 2:Korean Wintex mesh for back,mould foam seat&back 
with fabric;Adjustable lumbar support
 3:Zhongtai synchronized mechanism,3 position 
locking,tension control;sliding seating
 4:3D armrest,up&down,back&forward,left&right;
 5:nylon base;
 6:KGS class 4 gaslift,Φ60mm PU caster