Joy-M, Strong quality factory direct mid back black ergonomic mesh office task chair with seat sliding fixed pp armrest 5CM) 6) BIFMA passed 340mm

5CM) 6) BIFMA passed 340mm nylon five star base & BIFMA passed 60mm PU nylon castors

no noise & no harm to floor

5CM) 6) 350mm aluminum base & BIFMA passed 60mm PU nylon castors

5mm butterfly mechanism with tilt & lock function & tilt tension adjustable 5) BIFMA passed CLASS 3 chrome gaslift 6) 350mm chrome metal base & BIFMA passed 60mm PU nylon castors 7) Quality warranty: 3 years

Joy-M, Strong quality factory direct mid back black ergonomic mesh office task chair with seat sliding fixed pp armrest 5CM) 6) BIFMA passed 340mm1) Mid back ergonomic mesh office chair (Full chair passed BIFMA standard, with SGS test report) 2) Mesh back + height adjustable padded lumbar support (+7CM) & black nylon back frame 3) Fabric padded seat with high density foam inside; 4) Height adjustable armrest with soft PU armpad 5) BIFMA passed CLASS 3 black gaslift6) Muti functional mechanism with back reclining and locking at 3 positions function ,with seat sliding(+4. 5CM) 7) BIFMA passed