| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 680 x 1220 mm | |
|---|---|---|
| Seat height adjustment range | 440 to 540 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 760 mm | |
| Backrest width | 520 mm | |
| Armrest height above seat | 210 mm | |
| Armrest width per side | 80 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 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
| Chair net weight | 22 kg | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Gas lift static load rating | 150 kg | |
| Seat dynamic cycle durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Backrest recline maximum angle | 15 degrees | |
| Armrest vertical static load per side | 75 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth dark taupe polyurethane (PU) leather | |
|---|---|---|
| Seat core padding | High-resilience molded polyurethane foam | |
| Back core padding | Contoured polyurethane foam | |
| Armrest structure | PU-padded armrests with integrated structural frame | |
| Internal seat frame | 1.8mm thick stamped steel plate | |
| Five-star base | Polished chrome-plated steel | |
| Gas lift | Class 3 chrome-plated steel gas lift | |
| Tilt mechanism | 2.5mm thick steel multi-lock tilt chassis | |
| Casters | Black nylon twin-wheel casters | |
| Upholstery seam construction | 8 stitches per 30mm seam distance | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm total stroke, adjusts from 440mm to 540mm seat height to match 760 mm standard desk heights | |
|---|---|---|
| Synchronized tilt function | Backrest reclines in sync with seat tilt at 1:2.5 ratio, up to 15 degree maximum back angle, reduces thigh pressure during recline | |
| Tilt tension adjustment | Rotary tension knob under seat adjusts recline resistance to match user weight between 50kg and 150kg | |
| Tilt lock function | Multi-position lock secures chair in upright or any selected recline angle for focused work or relaxed posture | |
| Smooth rolling mobility | Twin-wheel nylon casters roll freely on carpet, tile, and wood flooring with 360-degree swivel per caster for easy repositioning | |
| Contoured lumbar support | Integrated curved lumbar zone in backrest maintains natural lower spine curve without separate adjustable pad | |
| Fixed padded armrests | Upholstered armrests provide stable forearm support during typing and meetings, positioned to align with standard desk edge height | |
| 360-degree swivel rotation | Full 360-degree horizontal rotation around central gas lift axis for easy access to surrounding desk surfaces without repositioning the base | |
| Fixed padded wrap-around armrests | Upholstered wrap-around armrests provide stable forearm support during typing and meetings, positioned to align with standard desk edge height | |
| 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 | |
|---|---|---|
| Shipping carton dimensions | 850 x 650 x 580 mm | |
| Gross shipping weight | 25 kg | |
| Shipping volume per unit | 0.32 CBM | |
| Required assembly time | 20 minutes | |
| 20ft GP container loading quantity | 124 units | |
| 40ft HQ container loading quantity | 300 units | |
| Packaging materials | 5-layer corrugated carton, EPS foam edge protection, plastic dust cover, hardware kit with assembly instructions | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private executive office | Suitable for private manager and executive offices, with professional formal appearance matching upscale office decor | |
|---|---|---|
| Conference meeting rooms | Appropriate for boardroom and meeting room seating, matching formal conference tables with consistent padded upholstery aesthetic | |
| Open plan workstation upgrades | Suitable for senior staff workstations in open office layouts, provides ergonomic support for 8+ hours of daily computer work | |
| Home executive offices | Ideal for dedicated home office setups, premium padded upholstery and chrome base complement residential professional decor | |
| Client consultation areas | Suitable for customer meeting and consultation spaces, comfortable padded seating creates a professional welcoming environment for visitors | |
| Coworking premium zones | Appropriate for premium dedicated desk tiers in coworking spaces, provides commercial-grade durability for rotating multi-user use | |
| Open plan senior workstations | Suitable for senior staff workstations in open office layouts, provides ergonomic support for 8 hours of daily computer work without visual clutter | |
| Coworking premium dedicated desks | Appropriate for premium dedicated desk tiers in coworking spaces, provides commercial-grade durability for rotating multi-user daily use |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Office furniture - Office work chair - Part 1: Dimensions - Safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements | |
| EN 1335-3:2009 | Office furniture - Office work chair - Part 3: Test methods | |
| EN 1022:2018 | Domestic and non-domestic furniture - Seating - Determination of stability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-Purpose Office Chairs - Tests | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Large Occupant Office Chairs | |
| ANSI/BIFMA e3-2019 | Furniture Sustainability Standard | |
| Five-star base static load capacity | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Office furniture: Chair and stool dimensional accuracy requirements | |
|---|---|---|
| GB/T 3324-2017 | General technical requirements for wooden/metal furniture | |
| GB 28007-2011 | Fire safety requirements for upholstered furniture in public places | |
| GB/T 10357.3-2013 | Furniture mechanical performance test: Chair and stool strength and durability |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Office furniture: Chair and stool dimensional accuracy requirements; 2. GB/T 3324-2017: General technical requirements for wooden/metal furniture; 3. GB 28007-2011: Fire safety requirements for upholstered furniture in public places; 4. GB/T 10357.3-2013: Furniture mechanical performance test: Chair and stool strength and durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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