Joy-M, Strong quality factory direct mid back black ergonomic mesh office task chair with seat sliding fixed pp armrest CLASS 4 gaslift3

CLASS 4 gaslift3

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

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

0mm thickness mini tilting & locking mechanism 6) BIFMA passed CLASS 3 gaslift 7) 320mm chrome metal base + BIFMA passed 60mm nylon PU castors8) MOQ 20PCS

no noise & no harm to floor

Joy-M, Strong quality factory direct mid back black ergonomic mesh office task chair with seat sliding fixed pp armrest CLASS 4 gaslift31) 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