1) seat frame:use high frequency welt technology,and the surface is stainless
2) sponge:the seat back and the seat base all forthes according to fishion tech
3) arm rest :novel in design and pretty in appearance
4) seat cover:use high quality fur tie in material, fresh in color ,elaborate in craftsman ,fine in texture.
5) Foot rest:with aluminum alloy pressed by large power,three steps
computer chair/racing office chair/leather chair