1.Plastic casing:Formed by one-time HD polypropylene extrusion;

2.Feet: hydraulically formed by high-quality cold-rolled steel plate;

3.Coating: electrstatic powder coating after deoiling, derusting, acid cleaning and phosphorizing;

4.Cloth: high grade fabric,anti-staining and unfading;

5.Sponge:formed by high-density super-soft PU cold;

6.Armrest cover: high quality oak, polyester lacquer painted, writing pad inside.