| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 680 x 700 x 1180 mm | |
|---|---|---|
| Seat height adjustment range | 420 to 520 mm | |
| Seat cushion usable size | 510 x 490 mm | |
| Seat cushion padding thickness | 80 mm | |
| Backrest total height (seat pan to top) | 760 mm | |
| Backrest lumbar support zone width | 480 mm | |
| Fixed armrest height above seat | 210 mm | |
| Armrest pad size (per pad) | 260 x 80 mm | |
| Aluminum five-star base outer diameter | 660 mm | |
| Caster wheel diameter | 60 mm | |
| Headrest section height (top back segment) | 220 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 range (product) | 23 kg | |
|---|---|---|
| Recommended maximum static user load | 150 kg | |
| Seat foam density (cushion) | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Gas lift class rating | Class 3 | |
| Tilt mechanism lockable recline angle | 15 degrees | |
| Seat upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Caster rolling durability cycle rating | 40000 cycles | |
| Static load rating for five-star base | 1136 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Cognac brown PU leather | |
|---|---|---|
| Seat cushion core padding | High-resilience polyurethane foam | |
| Backrest core padding | Molded high-resilience polyurethane foam | |
| Side back frame trim | Polished die-cast aluminum alloy | |
| Armrest support structure | Polished die-cast aluminum alloy | |
| Armrest pad surface | Matching cognac PU leather over foam padding | |
| Five-star swivel base | Polished die-cast aluminum alloy | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| Tilt and height control mechanism | 3mm thick cold-rolled steel plate | |
| Caster wheels | Black polyurethane tread with nylon hub, dual-wheel design | |
| Seat support inner frame | 1.5mm thick welded steel frame | |
| Stitching details | Tone-on-tone matching thread, 8mm seam pitch |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360-degree horizontal rotation enabled by central swivel joint between gas lift and seat mechanism, no rotational stops for flexible positioning at adjacent desk surfaces | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical height adjustment range operated by side lever under seat, adjusts from 420mm to 520mm seat height to match 760 mm standard desk heights | |
| Lockable synchro tilt | Tilt mechanism allows 15-degree synchronized backward recline of seat and back, with upright position lock for focused work and free-float tilt for relaxed posture | |
| Fixed height padded armrests | Stationary armrests at fixed 210mm height above seat, padded with matching upholstery to support forearms during typing and reduce shoulder strain | |
| Smooth dual-wheel mobility | 5 dual-wheel casters allow rolling movement on hard tile, wood and low-pile carpet floors, no brake function for easy repositioning at workstation | |
| Integrated upper back/neck support | Elevated segmented top back section provides neck and upper thoracic support for upright and reclined seated positions, no separate adjustable headrest | |
| Polished trim edge protection | Full-length aluminum side trim runs the entire height of the backrest to secure upholstery edges, prevent material fraying and add structural rigidity to the tall back frame | |
| Weight-activated tilt tension | Mechanism automatically adjusts tilt resistance to match user weight for smooth recline without manual tension adjustment | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions (LxWxH) | 880 x 670 x 590 mm | |
| Gross shipping weight | 27 kg | |
| Shipping volume per unit (CBM) | 0.35 CBM | |
| Assembly time for single user | 30 minutes | |
| 40ft HQ container loading quantity | 205 units | |
| Packaging material layers | 5mm corrugated carton, EPE foam wrap for polished metal parts, plastic corner protectors for upholstered surfaces, PE bag for hardware kit | |
| Included hardware and tools | All required M6/M8 mounting bolts, Allen key, assembly instruction manual, spare caster | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive private office | Ideal for manager and executive private offices, with high-back support and premium polished trim presenting a professional appearance for client meetings and daily work | |
|---|---|---|
| Open plan workstation (senior staff) | Suitable for senior employee workstations in open office layouts, with 360 swivel and rolling mobility for easy access to desk and collaborative adjacent surfaces | |
| Conference room seating | Appropriate for boardroom and formal conference room seating, with neutral cognac upholstery and polished frame coordinating with modern conference tables | |
| Home office premium workspace | Suitable for high-end home office environments, with faux leather upholstery that is easy to clean and a refined appearance matching residential decor schemes | |
| Reception and visitor executive areas | Can be used in premium reception and guest waiting areas, offering ergonomic support for extended visitor seating while maintaining a high-end corporate aesthetic | |
| Workstation height compatibility | Designed to pair with standard 760 mm height office desks, with seat height adjustment that ensures proper leg clearance and ergonomic keyboard typing posture | |
| 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
| EN 1335-1:2020 | European standard for office work chairs, defining dimensional requirements for seating fit, safety clearances and ergonomic dimensions for adult users | |
|---|---|---|
| EN 1335-2:2018 | European standard for office chair safety, strength and durability, defining static load, fatigue and stability test requirements for commercial office seating | |
| EN 1021-1:2014 | European standard for upholstered furniture flammability, defining ignition resistance requirements for smoldering cigarette ignition sources for office seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | North American standard for general purpose office chairs, defining structural durability, stability, static load and cycle performance requirements for heavy-duty commercial use | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | BIFMA standard for large occupant office chairs, applicable if this chair is specified for users over 136kg, defining enhanced load and durability test parameters |
Standards applicable to China-market projects
| GB/T 3326-2016 | Recommended general technical standard for office furniture seating, defining dimensional tolerances, structural stability and material performance requirements for procurement and inspection | |
|---|---|---|
| GB 28007-2011 | Mandatory national standard for strength, durability and stability of office chairs, defining static load, impact and fatigue test requirements for commercial use seating | |
| GB 18584-2001 | National standard for limit of harmful substances in wooden and upholstered furniture, defining formaldehyde and heavy metal emission limits for indoor office use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Recommended general technical standard for office furniture seating, defining dimensional tolerances, structural stability and material performance requirements for procurement and inspection; 2. GB 28007-2011: Mandatory national standard for strength, durability and stability of office chairs, defining static load, impact and fatigue test requirements for commercial use seating; 3. GB 18584-2001: National standard for limit of harmful substances in wooden and upholstered furniture, defining formaldehyde and heavy metal emission limits for indoor office use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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