| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall upright dimensions | 770 x 750 x 1240 mm | |
|---|---|---|
| Seat width | 552 mm | |
| Seat depth | 565 mm | |
| Adjustable seat height range maximum | 719 mm | |
| Backrest height | 810 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Armrest height above seat | 220 mm | |
| Seat cushion thickness | 140 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 maximum user weight | 227 kg | |
|---|---|---|
| Net product weight | 23 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Recline lock angle | 135° | |
| Upholstery abrasion resistance | 50000 cycles | |
| Base static load capacity | 500 kg | |
| Caster rolling durability | 40000 cycles | |
| Seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Grey PU leather (faux leather), 1.2mm thickness, stain-resistant smooth finish | |
|---|---|---|
| Seat cushion core | 40kg/m³ high-density molded polyurethane foam, wrapped in soft polyester batting | |
| Backrest padding | 32kg/m³ high-density soft polyurethane foam, channel-tufted segmented construction | |
| Internal structural frame | 14mm thick plywood reinforced with solid wood bracing for seat and back | |
| Side accent panels | Walnut wood veneer over plywood substrate, smooth sealed finish | |
| Five-star base | 1.5mm thick chrome-plated polished steel, fully welded joint construction | |
| Armrests | Padded PU leather top over rigid structural core, matched to upholstery color | |
| Caster wheels | 60mm diameter dual-wheel silent PU casters, steel bearing inserts | |
| Gas lift cylinder | 65mm diameter Class 3 electroplated steel gas lift, 100mm height adjustment stroke | |
| Recline mechanism | 3mm thick steel butterfly tilt plate with in-situ position lock | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic adjustment via right-side lever, 100mm vertical stroke for desk height alignment | |
|---|---|---|
| Lockable recline function | Backrest reclines to 135° with user-adjustable tension and locked rest positions | |
| Retractable footrest | Pull-out padded footrest stows under seat, extends fully for reclined leg support | |
| 360° swivel rotation | Full unlimited swivel rotation enabled by central gas lift and base assembly | |
| Smooth rolling mobility | Dual-wheel casters roll on hardwood, carpet, and tile flooring without scratching | |
| Ergonomic segmented support | Channel-tufted back provides contoured lumbar and upper back support for long sitting sessions | |
| Padded fixed armrests | Integrated padded armrests positioned at standard desk height for forearm support | |
| Reclined overall depth with extended footrest | 1562 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 use | Suitable for senior manager private offices, supporting upright work and reclined rest | |
|---|---|---|
| Home office setup | Ideal for premium home office spaces where work and short rest breaks are required | |
| Conference room leadership seating | Appropriate for boardroom or high-end conference room executive seating | |
| Manager workstations | Fits standard 760 mm height office desks with aligned armrest and seat height | |
| Long-duration desk work | Provides thick cushioning and recline support for 4+ hour continuous seated work | |
| 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 standard for office chair dimensions and ergonomic functional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair structural strength, stability and durability requirements | |
| EN 1022:2018 | Applicable standard for seating furniture stability performance testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chair performance and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable standard for wooden furniture structural panel performance requirements | |
|---|---|---|
| GB 18584-2001 | Applicable standard for indoor furniture formaldehyde emission limits for wooden components |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable standard for wooden furniture structural panel performance requirements; 2. GB 18584-2001: Applicable standard for indoor furniture formaldehyde emission limits for wooden components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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