Joy-H, Good Quality High Back Swivel office chair Mesh Fabric silla de oficina with BIFMA standard

1) New design ergonomic mesh office chair (Full chair passed BIFMA standard, with SGS test report) 2) Mesh back + height adjustable lumbar support & nylon back frame & height adjustable headrest3) Seat with high density sponge with mesh fabric uphostery4) Heigh adjustable armrest with soft PU armpad5) BIFMA passed CLASS 3 gaslift6) Muti-functional mechanism with seat sliding & back reclining and locoking at 3 positions functions7) BIFMA passed 340mm nylon five star base & 60mm BIFMA passed PU nylon castors