With stylish “olecranon” design aluminum armrest and A3 size writing tablet, which is left hand friendly and make convinence for lap top users. Formally qualified by a centeral leg support, seat and back panel are available with either veneer or upholstery fabric finished. Chair can be positioned both on horizontal flooring and on radian steps. The auditorium seat is widely used in all kinds of conference hall, lecture hall and cultural center.