Six-mode lumbar adjustment
The independent variable-track lumbar unit provides three vertical and three depth settings to tune support for different users.
Mesh Office Chairs
A008 Multi-Support Ergonomic Mesh Office Chair
A high-adjustability commercial mesh chair with a 4D headrest, separated back and lumbar zones, 5D armrests, a sliding seat and an extendable mesh footrest.
4D headrest6-mode lumbar support5D armrests50 mm seat slidePull-out footrest
Images show the black-and-red reference configuration. Final mesh, component finish, test documentation and packaging are confirmed with the quotation and approved sample.
Multi-zone ergonomic support
Independent adjustment from headrest to footrest.
The A008 combines a multi-axis headrest, separated back and lumbar architecture, 5D armrests and a cable-control mechanism. A 50 mm seat slide and length-adjustable pull-out footrest extend the usable range for focused work and short reclining breaks.
Full working-position control
A 4D headrest, 5D armrests, seat slide, height control and tilt locking provide broad day-to-day adjustability.
Commercial component specification
Supplier-stated load, cycle, impact and low-temperature tests are specified for key structural components against BIFMA and QB2280 requirements.
A008 specification
Dimensions, construction and packing data.
Test values below are supplier-provided specifications. Final configuration, compliance documentation, colors and packing are confirmed with the quotation and approved sample.
4D headrestNew nylon + glass-fiber reinforced frame; height adjustment, five-position fore-aft adjustment and free-angle locking
Headrest specificationSpecified to BIFMA and QB2280; flame-retardant performance specified to the applicable national standard
Backrest frameNew nylon + glass-fiber reinforced plastic with separated back and lumbar construction
Back heightThree vertical positions; back height range 57–60 cm
Back support bracketNylon + glass-fiber reinforced material, specified to BIFMA and QB2280
Lumbar supportIndependent six-mode variable-track unit with three height and three depth settings
MeshBreathable, high-elasticity mesh specified for environmentally considerate commercial seating
5D armrestsPU armrest tops with height, 360° rotation and fore-aft adjustment
Armrest testing115 kg vertical test, 68 kg horizontal test and 109 kg / 300,000-cycle tilt durability specification; BIFMA and QB2280
Seat frameNew nylon + glass-fiber reinforced plastic with steel reinforcement ring and weight-responsive comfort structure
MechanismCable-control mechanism for seat height and tilt locking
Seat slide50 mm effective fore-aft travel
Mechanism durability109 kg load over 300,000 tilt cycles; supplier specifies interference- and noise-free movement
Gas liftClass 4 explosion-resistant gas lift; 100,000 rotation and lift cycles; specified to BIFMA and QB2280
Base350 mm one-piece die-cast aluminum-alloy five-star base; 700 mm overall diameter
Base testing1,136 kg static-load and 136 kg impact specification; BIFMA and QB2280
CastersØ60 mm PU silent shock-absorbing casters
Caster testing100,000 travel cycles, 136 kg impact and −16°C low-temperature specification; BIFMA and QB2280
FootrestNylon + glass-fiber reinforced frame with full-mesh dual-rod pull-out construction and length adjustment
Headrest size38 cm wide × 20 cm high
Backrest size50 cm wide × 57–60 cm high
Outer arm width73 cm
Seat size52 cm wide × 52 cm deep
Seat height44–54 cm
Base height17 cm
Overall height110–120 cm
CartonOne chair per carton; 73 × 63 × 43 cm
Packing volume0.1977 m³ per carton
WeightNet weight 22.3 kg; gross weight 25.7 kg
Commercial project supply
Specify A008 for high-adjustability work areas.
Tell us your required quantity, destination, mesh color, component finish and project timeline. Our team will confirm MOQ, configuration, documentation and export quotation.
Request A008 details