1) IKEA Markus High back chair MARKUS Swivel chair - Glose black - IKEA RMB 350 (originally RMB 1300)
2) Ergonomic Kneeling Chair RMB 150
Office is 100m south of Beixingqiao subway station line 5 exit D, Dongzhimen (about 10 mins drive west of Sanlitun).