1. Chair-back, seat-shell: Using high quality multilayer hardwood with high-density, cold-pressed by molding, elegant appearance, colorfast, anti-variant.
2. Foot stand: Using high quality aluminium alloy by molding and welding.
3. Sponge: Using high-density cold foam setting sponge.
4. Surface material: High quality of fabric.
5. Armrest: Senior logs.
6. Seat-return: Using rotary pneumatic actuator, lightweight, slow, and no noise.
7. Fastening screws: Using electronic spraying hex socket cap expansion screweds, antirust.
8. Chair shape: With human engineering design, very comfort.
2. Foot stand: Using high quality aluminium alloy by molding and welding.
3. Sponge: Using high-density cold foam setting sponge.
4. Surface material: High quality of fabric.
5. Armrest: Senior logs.
6. Seat-return: Using rotary pneumatic actuator, lightweight, slow, and no noise.
7. Fastening screws: Using electronic spraying hex socket cap expansion screweds, antirust.
8. Chair shape: With human engineering design, very comfort.