black leather office revolving chair height adjustable back tilt mechanism whole sale factory

black leather office revolving chair height adjustable back tilt mechanism whole sale factory

Lumbar support.

Pneumatic lifting.

Adjustable tension mechanism.

Synchrocontact mechanism

Tilt movement of the seat.

Chrome structure.

Chromed five-pointed star base with double rubber wheels

Supports adjustable arms.

Padded seat and back upholstered in leather.

Black color