| 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 730 x 1260 mm | |
|---|---|---|
| Seat height adjustment range endpoint | 570 mm | |
| Seat depth | 520 mm | |
| Seat width | 530 mm | |
| Backrest height from seat surface | 760 mm | |
| Armrest height from seat surface | 220 mm | |
| Retractable footrest extension length | 420 mm | |
| 5-star base diameter | 700 mm | |
| Caster wheel diameter | 50 mm | |
| Seat cushion thickness | 100 mm | |
| Knee clearance under seat at lowest height | 180 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 user weight capacity | 181 kg | |
|---|---|---|
| Chair net weight reference | 24 kg | |
| Foam density (seat/back padding) | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Gas lift static load rating | 150 kg | |
| 5-star base static load capacity | 1136 kg | |
| Caster rolling durability cycles | 40000 cycles | |
| Upholstery abrasion resistance | 50000 cycles | |
| Mechanical parts warranty period | 365 days | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | 1.2mm thick light grey PU leather | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam with layered padding | |
| Backrest padding | Segmented high-density foam with integrated headrest | |
| Internal frame | 1.5mm thick welded steel tube frame | |
| Back support panel | 20mm thick engineered wood backing | |
| Armrest structure | Padded PU leather over steel support frame | |
| Footrest surface | Matching PU leather padded top with chrome trim | |
| 5-star base | 1.8mm thick chrome-plated polished metal | |
| Caster wheels | Black polyurethane with chrome accent rings | |
| Recline adjustment hardware | Chrome-plated steel side lever and locking mechanism | |
| Side decorative panel | Wood-grain veneer accent on left side | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base | |
|---|---|---|
| Pneumatic seat height adjustment | 120mm stroke via Class 3 gas lift, controlled under seat | |
| Lockable recline mechanism | Infinite position lock up to 135 degrees with tension control | |
| Retractable upholstered footrest | Pull-out extension 420mm for elevated leg support | |
| Integrated ergonomic support | Built-in headrest, lumbar and side torso padding | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard wood flooring | |
| Recline tension adjustment | User-adjustable tilt tension to match body weight | |
| Upright position lock | Secure lock for upright working posture at desk | |
| Backrest recline angle endpoint | 135° | |
| 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 manager/executive workstations with formal aesthetic | |
|---|---|---|
| Home office workspace | Provides recline and footrest for long work or break sessions | |
| Conference meeting rooms | Formal styling suitable for high-end boardroom seating | |
| Manager workstations | Ergonomic adjustment supports 8+ hours of daily desk work | |
| Executive reception areas | Polished appearance creates a professional visitor impression | |
| Commercial office procurement | Fits standard desk heights for bulk office fit-out projects | |
| 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 | Office furniture - Office work chairs - Dimensions and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs - Safety requirements for structural performance | |
| EN 1335-3:2009 | Office work chairs - Test methods for strength and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general-purpose office chairs, including static and cycle testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Standard for large occupant office chairs for higher weight capacities |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden and upholstered office furniture | |
|---|---|---|
| GB/T 35607-2017 | Green product assessment standard for furniture environmental performance | |
| GB 28007-2011 | Strength and durability requirements for office seating |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden and upholstered office furniture; 2. GB/T 35607-2017: Green product assessment standard for furniture environmental performance; 3. GB 28007-2011: Strength and durability requirements for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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