| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 700 x 1180 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 490 mm | |
| Seat height (adjustment range maximum) | 520 mm | |
| Backrest total height | 740 mm | |
| Integral armrest height above seat | 220 mm | |
| 5-star base leg diameter | 650 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 70 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 | 22 kg | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Backrest tilt angle maximum | 18 degrees | |
| Gas lift cycle life | 120000 cycles | |
| Available color options | 3 | |
| Backrest tilt maximum angle | 18 degrees | |
| Gas lift operational cycle life | 120000 cycles | |
| Seat cushion foam indentation load deflection | 38 kg | |
| Backrest static load capacity | 79 kg | |
| Upholstery seam strength | 136 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer shell | 12mm thick bent plywood with cherry wood veneer, high-gloss clear lacquer finish | |
|---|---|---|
| Seat upholstery | 1.2mm thick top-grain leather, match-stitch perimeter detail | |
| Seat cushion foam | High-density polyurethane foam, density 45kg/m³, rebound rate 45% | |
| Backrest inner padding | 20mm thick medium-density polyurethane foam, density 35kg/m³ | |
| Gas lift | Class 3 chrome-plated steel gas lift, 50mm outer diameter | |
| Tilt mechanism | 3mm thick stamped steel synchro-tilt chassis, black powder coat finish | |
| 5-star base | Polished die-cast aluminum, 3mm wall thickness, polished chrome finish | |
| Casters | 60mm diameter dual-wheel nylon casters with polyurethane tread, black with chrome accent ring | |
| Internal back frame | 12mm thick bent plywood structural core | |
| Outer back and arm shell | 12mm thick bent plywood with cherry wood veneer, high-gloss clear lacquer finish | |
| Internal back structural frame | 12mm thick bent plywood structural core | |
| Upholstery edge binding | 3mm wide leather edge binding, color-matched to seat upholstery |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm total travel to match 760 mm standard desk heights | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central gas lift bearing, no rotational stops | |
| Synchro-tilt recline | Coordinated seat and back tilt with 1:2.2 ratio, lockable in upright position via mechanism lever | |
| Tilt tension adjustment | Knob under seat adjusts recline resistance to match user weight | |
| Fixed integral armrests | Continuous bentwood armrests integrated with seat and back shell, fixed position for consistent forearm support | |
| Smooth rolling mobility | Dual-wheel casters roll freely on hard flooring and low-pile commercial carpet, no brake mechanism | |
| Gas lift stroke | 100 mm | |
| Backrest segmented support | Two-section bentwood backrest provides separate upper thoracic and lower lumbar support zones without adjustable lumbar hardware | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 | 720 x 680 x 480 mm | |
| Gross shipping weight | 26 kg | |
| Shipping volume per unit | 0.235 CBM | |
| Assembly time | 25 minutes | |
| 40HQ container loading quantity | 265 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set |
Recommended spaces / users / usage modes
| Private executive offices | High-end aesthetic matches professional wood-trim office interiors, suitable for C-suite and senior management workspaces | |
|---|---|---|
| Conference and board rooms | Formal design supports long meeting seating, swivel and tilt function provides comfort during extended discussions | |
| Home executive workspaces | Polished finish complements upscale home office décor, rolling base works on hard wood and tile residential flooring | |
| Client seating areas | Premium appearance creates a professional impression for visitor and guest seating in managerial offices | |
| Recommended desk pairing | Pair with 760 mm height executive desks with wood veneer finishes for consistent aesthetic coordination | |
| Upscale home executive workspaces | Glossy wood finish complements high-end residential home office décor, PU tread casters safely operate on hardwood and tile residential flooring | |
| Managerial office client seating | Premium appearance creates a professional impression for visitor seating in senior staff offices | |
| Standard desk pairing | Paired with 760mm height wood-veneer executive desks for consistent aesthetic and ergonomic coordination |
EU Market Access Requirements* EN Standards
| Office furniture seating safety | EN 1335:2000 | |
|---|---|---|
| Office chair stability | EN 1022:2005 | |
| Formaldehyde emission wood panels | EN 13986:2004 | |
| Wood-based panel formaldehyde emission | EN 13986:2004 | |
| Upholstery leather performance | EN 13336:2012 |
US and Canada office-furniture standards
| Office chair general purpose | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability | ANSI/BIFMA X2017 Clause 17 | |
| Seat static load capacity | 1136 kg | |
| Caster rolling durability | 98000 cycles | |
| Office chair general performance | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Office chair mechanical safety | GB/T 3326 | |
|---|---|---|
| Formaldehyde emission | GB 18584 | |
| Upholstery fabric durability | GB/T 21196.2 | |
| Upholstery leather abrasion resistance | GB/T 21196.2 | |
| Office chair stability | GB/T 10357.3 |
This product must meet the following technical requirements: 1. Office chair mechanical safety: GB/T 3326; 2. Formaldehyde emission: GB 18584; 3. Upholstery fabric durability: GB/T 21196.2; 4. Upholstery leather abrasion resistance: GB/T 21196.2; 5. Office chair stability: GB/T 10357.3; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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