- Seat: 50kg/m³ high-density PU molded foam (adjustable firmness, ergonomic design) with premium linen flannel cover; foam size: 470450140mm (max thickness) ±5mm. 15mm solid wood multi-layer outer panel (Dabao polyester paint, die-pressed) with sound-absorbing/exhaust holes; panel size: 435*425mm ±5mm.
- Backrest: 40kg/m³ high-density PU molded foam (adjustable firmness, ergonomic design) with premium laminated fabric cover; foam size: 710480120mm (max thickness) ±5mm. 16mm solid wood multi-layer outer panel (Dabao polyester paint, die-pressed); panel size: 720*500mm ±5mm.
- Chair Base: Integrally die-cast aluminum alloy (polished + electrostatic spray coating, corrosion-resistant). Armrest frame size: 40360605mm ±5mm; removable MDF side panels (laminated fabric cover, riveted connection). Foot plate size: 400*60mm ±5mm; hole spacing (center-to-center): 357mm ±5mm. Weight: 3.6KG±0.1KG (w/writing board mount) / 4.2KG±0.1KG (w/o); 7 reinforcing bars for extra durability.
- Armrest: Aluminum alloy + solid wood. Aluminum alloy parts (die-cast + electrostatic spray coating): size 40360mm ±5mm (main body), 4060mm ±5mm (front joint), 11360mm ±5mm (rear part), 48060mm ±5mm (total w/writing board). Solid wood panel (1256020mm ±5mm) with eco-friendly paint.
- Fabric: High-grade seat fabric, dustproof, stain-resistant, moisture-proof, anti-static, mothproof, wrinkle-free, non-pilling, colorfast.
- Return Mechanism: Torsion spring + resistance rebound with noise reduction, service life >100,000 cycles.
- Floor Fixing: Secured with expansion bolts.
- Metal Surfaces: All metal parts with sandblasting derusting + electrostatic spray coating (smooth, corrosion-resistant finish).
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