| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 720 x 1180 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
| Chair net weight | 21 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Recommended user weight for daily use | 120 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Seat padding thickness | 80 mm | |
| Back padding thickness | 60 mm | |
| Gas lift service cycles | 120000 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer upholstery (main body) | Two-tone PU leather, taupe primary with dark gray armrest outer panels | |
|---|---|---|
| Seat and back core padding | High-resilience polyurethane foam | |
| Five-star base | Chrome-plated polished steel, 1.5mm wall thickness | |
| Gas lift cylinder | Class 3 steel gas lift, 50mm outer diameter | |
| Seat tilt mechanism | 2.5mm thick steel multi-lock chassis | |
| Armrest frame | Padded PU-wrapped structure with stitched seams | |
| Caster wheels | Dual-wheel PU casters with metal bearing hubs | |
| Back decorative accent | Brushed metal V-shaped accent piece | |
| Internal back support frame | 12mm thick molded plywood | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| Swivel function | 360-degree full rotation around central gas lift axis | |
|---|---|---|
| Seat height adjustment | 100mm vertical stroke via gas lift actuated by seat-side lever | |
| Back tilt function | 12-degree backward recline with single position lock | |
| Tilt tension adjustment | User-adjustable resistance knob to match user weight | |
| Smooth rolling mobility | Dual casters roll on hard floors and low-pile carpet without marking | |
| Head support | Integrated fixed padded headrest aligned to cervical spine | |
| Lumbar support | Fixed contoured padding at lower back matching natural spine curve | |
| Armrest support | Fixed padded armrests for forearm relief during typing and meetings | |
| 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
| Packed carton dimensions | 830 x 680 x 390 mm | |
|---|---|---|
| Gross shipping weight per carton | 25 kg | |
| 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 offices | Formal aesthetic matches leadership and management workspaces | |
|---|---|---|
| Conference meeting rooms | Professional appearance supports long meeting seating comfort | |
| Home office dedicated workspaces | Upholstered finish complements residential work area decor | |
| Visitor and reception areas | Polished design presents professional image for guest seating | |
| Open plan management workstations | Swivel function supports easy collaboration with adjacent team members | |
| Medium-duration daily use | Padding and support suit 6 hours of seated work per day | |
| 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 strength durability testing | EN 1335:2018 | |
| Office chair ergonomic requirements | EN 1335:2009 |
US and Canada office-furniture standards
| General purpose office chairs standard | ANSI/BIFMA X2017 |
|---|
Standards applicable to China-market projects
| Office chair stability testing | GB/T 10357.2 | |
|---|---|---|
| Office chair strength and durability | GB/T 10357.3 | |
| Upholstered furniture formaldehyde limits | GB 18584 |
This product must meet the following technical requirements: 1. Office chair stability testing: GB/T 10357.2; 2. Office chair strength and durability: GB/T 10357.3; 3. Upholstered furniture formaldehyde limits: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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