China High quality comfortable armrest lifting swivel office chair made in Shunde office staff computer seats

Product Construct feature:
1. Back: Taiwaness Yidartex – fire resistant, PP outer and inside cover;
2. Back : height adjustable ;
3. Arm: fixed armrest pole and PP armpad;
4. Seat: fabric upholstery- synchronize back & seat;
5. Mechanism: H018 mechaism, height adjustable handle, lock &unlock handle;
6. 85mm height adjustable gasspring for seat height up and down;
7. 320mm Radius Nylon base and 2.5″ PU castors;