* Black one-piece headrest PA+25% glass fiber
* Ergonomic full mesh chair, up and down lifting control lumbar backrest
* Nanometer Anti pollution South Korea Entester Network
* Black PA nylon net base frame
* Black 3D lifting armrest/PU handhold surface, three gear locking chassis
* Yuechang (Xieqiang) Grade IV black air pressure rod passed SGS certification
* 350 # black nylon five-star pin, Φ 60 black PU wheel passed SGS certification