2017 ergonomic design mesh office chair with lumbar support

1) Competitive office mesh office chair
2) Mesh back + PP with fiber back frame with PP lumbar support
3) Fixed PP with fiber armrest
4) Fabric padded seat with injection molded foam inside
5) BIFMA passed multi-functional mechanism with one position locking function
6) BIFMA passed CLASS 3 gaslift
7) 350mm nylon base with BIFMA passed 60mm PU nylon castors