| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 750 x 880 x 1200 mm | |
|---|---|---|
| Adjustable seat height range | 490 to 570 mm | |
| Seat cushion usable width | 550 mm | |
| Seat cushion usable depth | 540 mm | |
| Integrated backrest total height | 830 mm | |
| Fixed padded armrest height above seat | 240 mm | |
| Caster wheel diameter | 50 mm | |
| Retractable footrest maximum extension | 420 mm | |
| Seat cushion padding thickness | 160 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
| Product net weight | 32 kg | |
|---|---|---|
| Maximum recommended user weight capacity | 181 kg | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Gas lift rated durability cycles | 100000 lifts | |
| Caster rolling durability cycles | 40000 cycles | |
| Standard manufacturer warranty period | 5 years | |
| 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 | 1.2mm thick eco-leather, diamond-quilted central lumbar panel | |
|---|---|---|
| Seat and back padding | High-density cold-cure polyurethane foam | |
| Internal support frame | 2.5mm thick seamless steel tube frame | |
| Five-star caster base | 1.8mm thick chrome-plated polished steel | |
| Fixed armrest structure | Grey rigid nylon support frame with padded eco-leather top | |
| Caster wheels | Black PU soft-tread wheels with chrome-plated steel brackets | |
| Recline mechanism chassis | 3mm thick steel aircraft-style multi-lock chassis | |
| Side adjustment control panel | White ABS plastic lever housing with black control insert | |
| Lower side accent trim | Black wear-resistant microfiber upholstered side panels | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and five-star base | |
|---|---|---|
| Pneumatic seat height adjustment | 80mm total stroke via Class 4 gas lift, side lever operated | |
| Backrest recline function | 160-degree maximum recline angle, multi-position lockable | |
| Recline tension adjustment | User-adjustable tension knob to match user weight | |
| Retractable padded footrest | Slide-out extension under front seat, locks in extended position | |
| Integrated ergonomic support | Contoured neck pillow, diamond-quilted lumbar support, padded side bolsters | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard floors and low-pile carpet | |
| Fixed arm support | Padded armrests positioned for forearm support during upright and reclined use | |
| Five-star base swivel diameter | 700 mm | |
| 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
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private office | Suitable for CEO/manager desks, provides recline and footrest for break periods | |
|---|---|---|
| Home office workspace | Appropriate for long-duration work at home with comfort padding and mobility | |
| Commercial meeting rooms | Fits senior executive conference spaces with premium khaki leather aesthetic | |
| Managerial workstations | Supports 8+ hour daily seated use with ergonomic lumbar and neck support | |
| Office reception lounge areas | Provides premium guest seating with professional formal appearance | |
| Adjustable standing desk setups | Compatible with height-adjustable desks via pneumatic seat height adjustment | |
| 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 | Applies to dimensional and functional safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applies to structural strength, durability and stability testing for office chairs | |
| EN 1021-1:2014 | Applies to cigarette ignition resistance testing for upholstered seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair strength, durability and stability testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional tolerances and stability requirements for office seating | |
|---|---|---|
| GB/T 22807-2019 | Applies to leather and artificial leather furniture upholstery performance testing | |
| GB 28007-2011 | Applies to structural safety requirements for office chairs for adult use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional tolerances and stability requirements for office seating; 2. GB/T 22807-2019: Applies to leather and artificial leather furniture upholstery performance testing; 3. GB 28007-2011: Applies to structural safety requirements for office chairs for adult use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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