office chairs china wholesale supplier cheap price-1913B-H
- Description :1913B Ergonomic Chair
- Backrest : Mesh With PA +GF Frame
- Lumbar Support : Up&Down Adjustable
- Armrest :Fixed PP Armrest
- Base :340# Nylon Base
- Cushion : 60# Density PU Fireproof Molded Foam
- Mechanism :Single Degree Lock Synchronous Tilting Mechanism
Up and Down Adjustable - Gas Lift : Class 3 Gaslift
- Casters :55mm Black PU Casters