Backrest: PP frame + sandwich stripe double mesh + separated lumbar support  
Seat cushion: Zoned double-layer cushion, with sandwich spring + original high-density shaped sponge  
Armrest: PP armrest handle + PU armrest surface, 9cm height adjustment  
Chassis: Synchronized tilting, four-level reclining lock, 120° reclining angle  
Gas lift: Electroplated class 4 gas lift  
Base: R350mm, nylon five-claw base  
Wheels: 50mm diameter, 26mm bore, PVC edge wrapping, black wheel with black edge  
Headrest: PP frame + sandwich stripe double mesh  
Footrest: Equipped with footrest"