| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 660 x 1280 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range (top of cushion to floor) | 540 mm | |
| Backrest overall height | 720 mm | |
| Backrest width (frame to frame) | 490 mm | |
| Headrest width | 280 mm | |
| Armrest height (top of pad to seat top) | 220 mm | |
| Armrest pad width x depth | 70 x 240 mm | |
| Five-star base diameter | 620 mm | |
| Caster diameter | 50 mm | |
| Lumbar support vertical adjustment range | 80 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight (chair only) | 16 kg | |
|---|---|---|
| Recommended static load capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest tilt lock angles | 3 positions | |
| Backrest maximum recline angle from upright | 18 degrees | |
| Swivel rotation | 360 degrees | |
| Caster rolling durability reference | 100000 cycles | |
| Backrest tilt lock position count | 3 positions | |
| Swivel rotation range | 360 degrees | |
| Foam compression set resistance | 25% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest outer frame | Reinforced nylon / glass-filled plastic frame with matte black finish | |
|---|---|---|
| Backrest and headrest surface | Elastic woven mesh in dark gray with breathable open structure | |
| Seat cushion upholstery | Olive green woven fabric covering the seat top and side edges | |
| Seat cushion core | Molded polyurethane foam over plywood seat shell | |
| Armrest supports and pads | One-piece black nylon armrest structure with flat hard top pad | |
| Gas lift column | Chrome-plated steel gas spring with black outer sleeve | |
| Tilt mechanism housing | Black steel and plastic chassis under the seat pan | |
| Five-star base | Black nylon five-leg base with ribbed underside structure | |
| Casters | Black nylon twin-wheel casters with standard 11 mm stem fitting | |
| Headrest connector | Black plastic height-adjustable bracket linking headrest to back frame | |
| Armrest assembly | One-piece black injection-molded nylon armrest with flat hard top surface and vertical support post, mounted directly to the seat pan frame | |
| Headrest connector bracket | Black glass-filled nylon height-adjustable bracket with slotted track, linking the headrest frame to the top center of the backrest frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment operated by a side lever, allowing the user to raise or lower the seat along the gas lift column | |
|---|---|---|
| Backrest recline with lock | Synchro-tilt style backrest tilt with multiple locking positions, controlled by the same side lever or secondary tension knob | |
| Lumbar support adjustment | Manually sliding lumbar bar that moves vertically along the backrest to match user lower-back position | |
| Headrest adjustment | Height-adjustable headrest mounted on a central bracket to support the neck during reclined or upright posture | |
| 360-degree swivel | Full rotation around the central gas lift for easy access to surrounding work surfaces | |
| Mobility on floor surfaces | Five twin-wheel casters enable smooth rolling on hard or carpeted office floors for workstation repositioning | |
| Tilt tension control | Rotary knob below the seat adjusts the force required to recline the backrest for different user weights | |
| Backrest recline with position lock | Synchro-tilt style backrest tilt with 3 locking positions, controlled via a side lever, allowing the backrest to recline up to 18 degrees from the upright position | |
| Lumbar support vertical adjustment | Manually operated sliding lumbar bar that moves 80 mm vertically along the backrest frame to align with the user's lower-back curve | |
| 360-degree swivel rotation | Full continuous 360-degree rotation around the central gas lift axis, enabling easy access to surrounding work surfaces without repositioning the entire chair | |
| Floor mobility | Five twin-wheel casters enable smooth rolling on hard or carpeted office floors, supporting easy workstation repositioning for single users up to 150 kg | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packing configuration | 1 piece per carton, flat-packed disassembled with backrest, seat assembly, base, gas lift, casters and hardware kit | |
|---|---|---|
| Carton dimensions | 830 x 630 x 320 mm | |
| Gross weight per carton | 18 kg | |
| Cubic meter per carton | 0.167 CBM | |
| Assembly time per unit | 30 minutes | |
| 20 ft container load quantity | 260 pieces | |
| Cubic volume per carton | 0.167 CBM | |
| Single-unit assembly time | 30 minutes | |
| 20 ft general container load quantity | 260 pieces | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Open-plan office workstations | Suitable for daily 8-hour desk work in open offices, providing adjustable height, lumbar support and breathability for prolonged sitting | |
|---|---|---|
| Executive and manager offices | Appropriate as a high-back management chair where head support and a taller visual profile are desired in private office settings | |
| Home office and remote work setups | Works well for home desks of standard 760 mm height, with swivel and caster mobility for flexible room layout | |
| Call center and shared-desk environments | Durable mesh surface and adjustable lumbar make it suitable for multi-shift shared seating where quick fit adjustment is needed | |
| Meeting and conference rooms | Can be used in conference rooms for extended meetings due to recline function and headrest support during long sessions | |
| Training and education workspaces | Can be deployed in corporate training rooms, with swivel mobility and adjustable height to support different learning postures and desk configurations | |
| Recommended Matching Desk Size | 2.4 m executive desk | |
| Reference Daily Use Duration | 8 hours/day; confirm by ergonomic testing |
EU Market Access Requirements* EN Standards
| Office furniture - Office chairs - Requirements for safety, strength and durability | EN 1335:2020 | |
|---|---|---|
| Ergonomics - Office work chair | EN 1728:2012 | |
| Furniture - Assessment of surface resistance to abrasion | EN 15986:2011 |
US and Canada office-furniture standards
| Office chairs - Tests for stability | ANSI/BIFMA X2017Clause 7 | |
|---|---|---|
| Office chairs - Tests for strength and durability | ANSI/BIFMA X2017Clause 8 & 9 |
Standards applicable to China-market projects
| General technical requirement for office furniture - chairs | GB/T 38607 | |
|---|---|---|
| Limits of harmful substances for wooden furniture | GB 18584 | |
| Office furniture - desks and chairs - dimensions and functional requirements | GB/T 3326 | |
| Textiles - Determination of abrasion resistance | GB/T 21196.2 |
This product must meet the following technical requirements: 1. General technical requirement for office furniture - chairs: GB/T 38607; 2. Limits of harmful substances for wooden furniture: GB 18584; 3. Office furniture - desks and chairs - dimensions and functional requirements: GB/T 3326; 4. Textiles - Determination of abrasion resistance: GB/T 21196.2; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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