| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions upright | 740 x 810 x 1400 mm | |
|---|---|---|
| seat width | 560 mm | |
| seat depth | 520 mm | |
| seat height adjustable range top | 560 mm | |
| seat height adjustable range minimum | 450 mm | |
| backrest height | 860 mm | |
| armrest height from seat | 220 mm | |
| five-star base diameter | 700 mm | |
| caster diameter | 50 mm | |
| footrest extension length | 420 mm | |
| integrated headrest thickness | 120 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 | 28 kg | |
|---|---|---|
| recommended static load capacity | 227 kg | |
| cushion foam thickness | 140 mm | |
| backrest foam thickness | 100 mm | |
| seat foam density | 45 kg/m³ | |
| foam rebound rate | 60% | |
| upholstery abrasion resistance | 50000 cycles | |
| caster rolling durability | 100000 cycles | |
| structure warranty | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat and back upholstery | 1.2mm thick light grey faux leather | |
|---|---|---|
| seat cushion core | High-density polyurethane foam with pocket spring layer | |
| backrest core | Contoured high-density foam with integrated lumbar padding | |
| armrest caps | Curved dark woodgrain finished hard caps over padded arm bases | |
| internal frame | 1.5mm thick welded steel tube frame with plywood reinforcement | |
| five-star base | Polished chrome-plated steel 5-prong swivel base | |
| casters | 50mm diameter black PU dual-wheel swivel casters | |
| recline mechanism | 2.5mm thick steel tilt lock mechanism with chrome adjustment lever | |
| gas lift | Class 4 nitrogen-filled steel gas lift cylinder | |
| footrest frame | Chrome-plated steel slide rail with padded faux leather top | |
| stitching | Reinforced polyester thread with 8mm seam pitch | |
| armrest padding | 20mm thick foam padding under woodgrain arm caps |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° swivel around central gas lift axis for multi-directional access | |
|---|---|---|
| seat height adjustment | 110mm vertical height travel via side-activated gas lift | |
| lockable recline function | 135° maximum backrest recline with infinite position lock | |
| recline tension adjustment | User-adjustable tilt tension to match body weight | |
| retractable footrest | 420mm slide-out padded footrest that stows under seat when not in use | |
| integrated headrest support | Fixed padded headrest section aligned to support neck in all positions | |
| integrated lumbar support | Contoured built-in lumbar pad aligned to support lower back | |
| smooth rolling mobility | Dual-wheel PU casters roll on hardwood, tile, and low-pile carpet | |
| fixed padded armrests | Stationary curved armrests positioned at standard elbow height | |
| reclined total length | 1500 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 director/CEO offices with professional styling and recline comfort | |
|---|---|---|
| home office study | Works for premium home workspaces where users work long hours or take short breaks | |
| managerial meeting rooms | Appropriate for senior meeting spaces requiring comfortable seating for long discussions | |
| reception executive areas | Fits premium reception zones for visiting executive guests | |
| commercial office procurement | Meets standard procurement specifications for mid-to-premium grade office seating | |
| multi-surface use | Compatible with hardwood, tile, and low-pile carpet floor types without additional mats | |
| 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 | Applicable European standard for office chair dimensional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable safety strength and durability standard for office work chairs | |
| EN 1022:2018 | Applicable standard for seating stability for office use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for office chair strength, durability, and safety | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable standard for big-and-tall office chair performance ratings |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office chair dimensional stability and measurement | |
|---|---|---|
| GB 28007-2011 | Applicable safety standard for strength and durability of office seating | |
| GB/T 19941-2005 | Applicable standard for leather/faux leather upholstery material performance |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office chair dimensional stability and measurement; 2. GB 28007-2011: Applicable safety standard for strength and durability of office seating; 3. GB/T 19941-2005: Applicable standard for leather/faux leather upholstery material performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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