| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 670 x 710 x 1260 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 500 mm | |
| Seat height range (from floor) | 530 mm | |
| Backrest height | 750 mm | |
| Five-star base diameter | 700 mm | |
| Fixed armrest height from seat | 230 mm | |
| Retracted footrest clearance under seat | 120 mm | |
| Extended footrest length from seat edge | 290 mm | |
| Caster diameter | 50 mm | |
| Headrest width | 430 mm | |
| Seat cushion 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
| Maximum recommended user weight | 300 kg | |
|---|---|---|
| Net weight | 30 kg | |
| Suitable user height range | 1900 mm | |
| Recline lock positions | 3 positions | |
| Recline cycle durability | 120000 cycles | |
| Five-star base static load capacity | 1200 kg | |
| Caster rolling durability | 50000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery (contact surfaces) | Black full-grain cowhide leather | |
|---|---|---|
| Non-contact upholstery surfaces | Cat-scratch resistant polyurethane faux leather | |
| Seat cushion core | 45kg/m³ high-density polyurethane foam + spring pocket package | |
| Backrest padding | 38kg/m³ high-resilience polyurethane foam with segmented tufting | |
| Internal support frame | 1.5mm thick welded steel tubing | |
| Five-star base | 1.8mm thick chrome-plated polished steel | |
| Armrests | Leather-wrapped padded fixed armrests with steel internal support | |
| Gas lift cylinder | Class 4 carbon steel pneumatic lift with chrome finish | |
| Casters | Soft PU dual-wheel swivel casters with quiet rolling design | |
| Footrest | Chrome-plated steel support frame with padded leather top | |
| Recline mechanism | 2.5mm thick steel tilt tray with tension adjustment | |
| Seam construction | 8 stitches per 30mm precision stitched seam |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | 80mm vertical stroke controlled by right-side lever | |
|---|---|---|
| Recline function | 170° maximum backward tilt with multi-position lock | |
| Recline tension adjustment | Knob-controlled tension tuning for user weight matching | |
| 360-degree swivel rotation | Full rotation enabled by central swivel joint and casters | |
| Retractable footrest | Pull-out operation with integrated padded surface for napping | |
| Fixed padded armrests | Stable curved support for forearm resting during work or recline | |
| Integrated headrest | Fixed curved padded support for cervical spine alignment | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard floor and low-pile carpet | |
| 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 | High-back ergonomic support for prolonged daily executive work use | |
|---|---|---|
| Home office workspace | Recline and footrest support for midday napping at home workstations | |
| Manager meeting rooms | Premium black leather aesthetic matches professional meeting decor | |
| Executive reception areas | Polished chrome and leather finish creates professional visitor impression | |
| Users 150-190cm tall | Adjustable height and recline fit average to tall adult users | |
| Long-duration seating | Segmented padding and ergonomic design reduce fatigue over 8+ hour use | |
| 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
| Office furniture safety requirements | EN 1335:2020 | |
|---|---|---|
| Office chair mechanical performance | EN 1335:2018 | |
| Office chair surface stability | EN 1335:2009 |
US and Canada office-furniture standards
| Office chair general purpose tests | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster durability tests | ANSI/BIFMA X5.1 Test 13 | |
| Gas lift safety requirements | ANSI/BIFMA X5.1 Test 8 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Upholstered furniture leather safety | GB 20400 | |
| Office chair structural safety | GB/T 3326 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Upholstered furniture leather safety: GB 20400; 3. Office chair structural safety: GB/T 3326; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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