With all-steel frame, selected European standard pipes, it has outstanding appearance, super load-bearing capacity, corrosion resistance and long service life after many delicate processes.  The chair frame connects the backrest, seat cushion and armrest in a natural way, exhibiting a unique light design style.  Ergonomic curved backrest comfortably fits the back and can firmly protect the waist when the user sits up and leans back.  The thick seat cushion, high resilience shaped seat cotton and unique angle design of seat cushion realize "sedentary without tiredness".