| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 660 x 680 x 1180 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range (top of seat to floor) | 540 mm | |
| Backrest height (seat surface to top of headrest) | 720 mm | |
| Backrest width (at widest point) | 490 mm | |
| Armrest height (top of arm to seat surface) | 270 mm | |
| Armrest pad dimensions (L x W) | 250 x 80 mm | |
| Five-star base diameter | 660 mm | |
| Caster diameter | 60 mm | |
| Seat foam thickness (cushion center) | 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
| Recommended maximum user weight | 150 kg | |
|---|---|---|
| Net chair weight (assembled) | 24 kg | |
| Seat static load capacity | 136 kg | |
| Caster rolling durability (cycling load) | 100000 cycles | |
| Synchro-tilt mechanism cycle durability | 120000 cycles | |
| Seat foam density (cushion) | 55 kg/m³ | |
| Back foam density | 45 kg/m³ | |
| Leather upholstery abrasion resistance | 50000 double rubs | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, backrest and headrest upholstery | Semi-aniline cognac brown top-grain leather | |
|---|---|---|
| Seat and back inner frame | 12 mm thick molded plywood with 1.5 mm steel reinforcement | |
| Side support shells (seat and back outer) | Matte white rigid thermoplastic (ABS) | |
| Seat and back cushion padding | High-density cold-cure polyurethane foam | |
| Tilt and height adjustment mechanism | 3 mm thick black powder-coated steel synchro-tilt chassis | |
| Height adjustment gas lift | Class 3 black chrome-finished steel gas lift, 50 mm outer diameter, 100 mm stroke | |
| Five-star base | Polished die-cast aluminum alloy, 3 mm wall thickness at leg joints | |
| Armrest support posts | 2 mm thick polished aluminum alloy height-adjustable posts | |
| Armrest pads | Leather-wrapped padded polyurethane surface | |
| Casters | 60 mm diameter black nylon dual-wheel casters with soft polyurethane tread | |
| Stitching details | Tone-on-tone bonded nylon stitching, 8 mm stitch pitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Synchro-tilt recline | Mechanism tilts seat and backrest at 1:2.5 ratio, 16 degree maximum back recline with upright lock position | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical travel via side-activated lever under seat, adjusts from 440 mm to 540 mm seat height to match standard desk heights | |
| Height-adjustable armrests | 70 mm vertical adjustment travel via push-button on arm post, locks at desired height to support neutral forearm posture | |
| 360-degree swivel rotation | Full rotation around central gas lift axis for easy access to surrounding workspace without repositioning the base | |
| Dual-wheel caster mobility | Soft-tread casters roll on carpet and hard flooring without scratching, swivel independently for multidirectional movement | |
| Weight-activated tension control | Knob under seat adjusts tilt resistance to match user weight for balanced recline force | |
| Fixed integrated headrest | Contoured headrest positioned to support cervical spine during upright and reclined seating positions, no separate adjustment required | |
| Recline tilt range (seat-back unit from upright) | 16 degrees | |
| 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 packages | 1 | |
|---|---|---|
| Shipping carton dimensions (L x W x H) | 750 x 650 x 620 mm | |
| Gross shipping weight per unit | 28 kg | |
| Shipping volume per unit (CBM) | 0.302 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 264 units | |
| Packaging protection | 5-layer corrugated carton, EPS foam edge protection, PE plastic bag for upholstered components | |
| Included hardware and documentation | Allen key, assembly bolts, illustrated assembly instruction manual | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive private office | Suitable for director and executive private offices, high-back design and cognac leather finish matches premium wood and white office furniture schemes | |
|---|---|---|
| Boardroom and meeting rooms | Suitable for fixed boardroom seating around conference tables, swivel and tilt function supports long meeting durations for attendees | |
| Client reception areas | Suitable for client-facing meeting spaces, refined leather finish projects professional brand impression without excessive visual bulk | |
| Home executive office | Suitable for premium home workspaces, neutral color palette coordinates with residential interior design while providing commercial-grade ergonomic support | |
| Open-plan management workstations | Suitable for senior staff workstations in open office plans, adjustable dimensions and casters support flexible workspace reconfiguration | |
| Recommended surface compatibility | Suitable for use on hard wood, tile and low-pile carpet floors with standard soft-tread casters, no chair mat required for low-pile commercial carpet | |
| 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
| Applicable office chair safety standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions, covers minimum ergonomic dimension requirements for task seating | |
|---|---|---|
| Applicable structural stability standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements, covers structural strength, stability and tip-over resistance | |
| Applicable upholstery fire standard | EN 1021:2014 Furniture - Assessment of the ignitability of upholstered furniture - Part 1: Ignition source smouldering cigarette, covers minimum fire resistance for upholstered seating |
US and Canada office-furniture standards
| Applicable heavy-duty office chair standard | ANSI/BIFMA X2017Office Chairs - Tests, covers structural durability, static load, cycle testing and stability for commercial office seating |
|---|
Standards applicable to China-market projects
| Applicable standard for office chair safety | GB/T 3325General technical requirements for metal furniture, covers structural strength and stability of metal-framed office seating | |
|---|---|---|
| Applicable leather material standard | GB/T 16799Leather for furniture, covers material performance, colorfastness and abrasion resistance for leather-upholstered furniture | |
| Applicable formaldehyde emission standard | GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, covers volatile organic compound emission limits for internal frame components |
This product must meet the following technical requirements: 1. Applicable standard for office chair safety: GB/T 3325General technical requirements for metal furniture, covers structural strength and stability of metal-framed office seating; 2. Applicable leather material standard: GB/T 16799Leather for furniture, covers material performance, colorfastness and abrasion resistance for leather-upholstered furniture; 3. Applicable formaldehyde emission standard: GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, covers volatile organic compound emission limits for internal frame components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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