Base:high density and softP.U,spring erection of steel work,coldly firmly becomes spongy a body forming.

 Shell:the multi-elements compound material quality projects the forming,the anti-impact,provides for old aage,guards against discoloration.

 Coat:after anti-corrosive treatment,electrostatic powder spraying.

 Plus material:high class special cloth,inflaming retarding,fouling resistance,fastness,it can also choose leather.

  Seating washer retroflexion:rigging or damping spring automechanism.

  Written organization: back writing pad.High strength casts makes turns over the bearing,the board is the high density board,outside covers the melamine surface.

  Station foot:high quality 3mm cold rolling high-carbon steel oil pressure weldingsystem forming.

  Railling:high density ultra soft P.U projects the forming