Wholesale Office Furniture Ergonomic High Back Mesh Chair with Massage Lumbar Support

Wholesale Office Furniture Ergonomic High Back Mesh Chair with Massage Lumbar Support. Backrest: Imported premium mesh fabric; Seat: High-quality anti-bacterial fabric (breathable, skin-friendly, durable for long-time sitting). 35# high-density & high-resilience polyurethane foam (7cm thick), anti-oxidation, anti-fragmentation, anti-deformation; Multi-layer eucalyptus plywood base plate. 170 full recline function, free angle locking (multi-position adjustable). Gas Lift: SGS & BIFMA certified "Vias" gas lift (Class 3, 2.5mm thickness, lifetime warranty); Leg Base: 350# polished base (BIFMA 1150 test passed); Casters: 65# silent universal casters (wear-resist. Lumbar Pillow: Built-in heating massager (auto-off after 15mins, compatible with mobile chargers); Armrests: 5D adjustable (aluminum alloy connectors, stable & durable). Overall Chair: 3 years warranty; Gas Lift: Lifetime warranty.