1. Material of legs is steel with powder coating treatment
2. Foam of cushion: High rebound stereotypes of cold foam sponge, the density of foam reach 35-50kg/m3.
3. Fabrics: hemp soft cloth, Flame retardant abrasion resistant, resistance to soiling, antistatic, resistant to fading, resistant to transmutation, and comfortable.
4. Rebound structure: damping design, reset exactly, Low noise, noise Level: ≤ 20decibel.
5. Arm frame: Q235 steel welded molding, Pickling treatment by electrostatic spray forming.
6. Arm: beech wood arm, The surface of arm is very smooth, Feel comfortable.
7. Writing Pad: it is cryptic word padding in right arm or on the backboard. Easy to use.
Seat-mat dead weight loading test
Seat back shaking test
Seat falling crash test
Seat automatic return test