The office sofa is categorized. The used sofa also changes for every location and according to every need. Office sofas are divided into two categories: office chairs and office chairs. Office chairs also have types such as expert chairs, management chairs, and conference chairs. The sitting chair also includes a group of chairs that are suitable for a special place such as the waiting area in companies and organizations, and in more luxurious designs, other chairs for guests are suitable for the management room.