| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | W560 x D680 x H1300mm | |
|---|---|---|
| Headrest width | 450mm | |
| Backrest total height from seat surface | 830mm | |
| Seat depth (front to back) | 520mm | |
| Seat width (outer / inner usable) | Outer 560mm, inner 460mm | |
| Seat height adjustment range (floor to seat top) | 520mm | |
| Armrest height range (floor to armrest top) | 730mm | |
| Five-star base caster spread diameter | 680mm | |
| Caster diameter | 60mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Net weight range | 25kg | |
|---|---|---|
| Recommended maximum user weight | 150kg | |
| Seat foam static load capacity | ≥120kg | |
| Seat height adjustment travel | 50mm | |
| Overall height adjustment travel | 30mm | |
| Caster rolling durability reference | ≥40000 rolling cycles | |
| Gas lift cycle durability reference | ≥100000 up/down cycles | |
| Gas lift cycle durability | ≥100000 up/down cycles | |
| Tilt mechanism cycle durability | ≥20000 recline cycles | |
| Upholstery abrasion resistance | ≥30000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth brown faux leather (PU leather) | |
|---|---|---|
| Seat cushion foam | High-density polyurethane foam, 80mm thick | |
| Backrest and headrest foam | Medium-density polyurethane foam, 60mm thick | |
| Armrest structure | PU-padded top with polished chrome accent trim, curved black structural support | |
| Five-star base | Polished die-cast aluminum alloy, 2.5mm wall thickness | |
| Gas lift cylinder | Chrome-plated steel, Class 3, 50mm diameter | |
| Tilt mechanism chassis | 2.5mm thick stamped steel, black powder-coated finish | |
| Casters | Black nylon twin-wheel casters with PU tread | |
| Seat inner support frame | 12mm thick multi-layer plywood | |
| Seat, backrest and headrest upholstery | 1.0mm thick brown polyurethane (PU) faux leather, visible uniform smooth grain, stitched seam pitch 8±1mm | |
| Seat cushion padding | High-density polyurethane foam, 80mm thick, density 45kg/m³, 40% rebound rate | |
| Backrest and headrest padding | Medium-density polyurethane foam, 60mm thick, density 35kg/m³, 35% rebound rate, with molded fixed lumbar contour |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 50mm travel between 520mm seat height | |
|---|---|---|
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel joint on gas lift | |
| Tilt and recline function | Synchro-tilt mechanism allowing backrest recline up to 15° with seat tilt of 7°, lockable in upright position | |
| Smooth rolling mobility | Dual-wheel casters allow movement on hard floors and low-pile carpets without floor scratching | |
| Integrated lumbar support | Contoured fixed lumbar support built into backrest padding, positioned at 200mm above seat surface | |
| Padded fixed armrests | Ergonomically curved fixed armrests providing forearm support at 240mm above seat surface | |
| Integrated headrest support | Fixed padded headrest positioned to support neck and upper back for extended seated work | |
| Tilt tension adjustment | Tension knob under seat adjusts recline resistance to match user weight | |
| Synchro-tilt recline | Chassis links backrest recline (max 15° from upright) and seat tilt (7° ratio to back movement) to maintain ergonomic thigh angle, lockable in fully upright position via side lever | |
| Fixed integrated lumbar support | Molded backrest foam contour provides lower back support positioned 230mm above seat surface, aligned to the natural lumbar curve for seated users | |
| Fixed padded armrests | Ergonomically curved PU-padded armrests provide static forearm support at 240mm above seat surface, matching standard desk armrest height for typing and meeting use | |
| Integrated fixed headrest | Contoured padded headrest positioned 660mm above seat surface, supporting the neck and upper cervical spine for users reclining during breaks or extended work sessions |
Verified carton / gross weight / assembly / loading data
| Number of shipping packages | 1 unit per carton | |
|---|---|---|
| Shipping carton dimensions | 720 x 650 x 880mm | |
| Gross shipping weight per unit | 28kg | |
| Cubic volume per carton | 0.41CBM | |
| Required assembly time | 25minutes per unit | |
| 20ft GP container loading quantity | 160 units | |
| 40HQ container loading quantity | 370 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm |
Recommended spaces / users / usage modes
| Executive office application | Suitable for private executive offices and director workspaces, premium leather appearance matches professional decor | |
|---|---|---|
| Formal conference room application | Suitable for boardroom and high-level meeting rooms, providing 4+ hour continuous seated comfort during long meetings and presentations | |
| Home office premium setup | Suitable for high-end home offices for users requiring ergonomic support for 6+ hour daily workdays | |
| Target user group | Fits users 188cm tall, matching seat height and high backrest dimensions | |
| Floor compatibility | Safe for use on wood, tile, and low-pile carpeted office floors, PU casters prevent hard floor scratching | |
| Recommended configuration | Pair with 760mm height executive desks for optimal ergonomic arm and desk alignment | |
| Private executive office application | Suitable for director, manager and C-suite private offices, premium brown leather appearance matches formal wood office furniture and professional decor | |
| Target user fit | Suitable for users 188cm tall, 150kg weight, matching seat height range and 830mm high backrest dimensions |
European market access and chemical requirements
| Office chair safety requirement reference | EN 1335:2018 | |
|---|---|---|
| Office chair dimensional stability reference | EN 1335:2020 | |
| Upholstered furniture fire performance reference | EN 1021:2014 | |
| Office chair safety and ergonomics reference | EN 1335:2018 | |
| Office chair stability reference | EN 1335:2018 | |
| Upholstered furniture fire resistance reference | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair performance reference | ANSI/BIFMA X2017 | |
|---|---|---|
| Office caster performance reference | ANSI/BIFMA X2017 Clause 12 | |
| General office chair performance reference | ANSI/BIFMA X2017 |
Standards applicable to China-market projects
| Office chair safety structural requirement reference | GB/T 22792.1 | |
|---|---|---|
| Office chair upholstery fabric performance reference | GB/T 16799 | |
| Office chair mechanical durability reference | GB/T 10357.3 | |
| Office swivel chair structural safety reference | GB/T 22792.1 | |
| PU leather upholstery performance reference | GB/T 16799 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement reference: GB/T 22792.1; 2. Office chair upholstery fabric performance reference: GB/T 16799; 3. Office chair mechanical durability reference: GB/T 10357.3; 4. Office swivel chair structural safety reference: GB/T 22792.1; 5. PU leather upholstery performance reference: GB/T 16799; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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