| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 1181 x 953 x 1219 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 | 159 kg | |
|---|---|---|
| Net product weight | 36 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 45% | |
| Caster rolling durability | 40000 cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| Recommended daily use duration | 8 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Structural frame | Solid carved hardwood with polished mahogany stain finish | |
|---|---|---|
| Seat and back upholstery | 1.2mm thick top-grain brown leather with diamond tufting | |
| Seat cushion core | 120mm thick high-density polyurethane foam | |
| Backrest cushion core | 80mm thick contour high-density polyurethane foam | |
| Armrests | Integral solid carved hardwood, polished to match frame finish | |
| Swivel and lift mechanism | Class 3 pneumatic gas lift with 5mm thick steel swivel plate | |
| Five-star base | Solid carved hardwood with reinforced metal connection inserts | |
| Caster wheels | 50mm diameter black nylon twin-wheel casters | |
| Trim detailing | Antique brass finished nailhead trim along upholstery edges | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Smooth full-circle swivel enabled by central steel swivel mechanism | |
|---|---|---|
| Pneumatic height adjustment | 100mm vertical seat height travel via side-activated gas lift | |
| Recline tilt function | 15-degree backward recline with adjustable tension control | |
| Upright tilt lock | Locks backrest in fully upright working position for focused desk tasks | |
| Mobility function | Five twin-wheel casters for smooth rolling on hard and carpeted floors | |
| Fixed arm support | Curved wood armrests positioned at fixed elbow height for typing support | |
| Ergonomic lumbar support | Contoured tufted backrest built to support natural lower back curve | |
| 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 | Fits traditional luxury decor for C-suite and senior manager workspaces | |
|---|---|---|
| Boardroom seating | Suitable for head-of-table positions in formal conference rooms | |
| Traditional home office | Complements classic wood home study and residential office interiors | |
| Luxury reception areas | Suitable for high-end visitor seating in executive reception zones | |
| Government/official workspaces | Aligns with formal traditional furnishing standards for official offices | |
| 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 chair dimensions, applicable to core sizing validation | |
|---|---|---|
| EN 1335-2:2018 | Office work chair safety strength and durability requirements, applicable to structural performance | |
| EN 1335-3:2009 | Office work chair test methods, applicable to production quality verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General purpose office chairs safety and performance standard, applicable for durability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Large occupant office chair performance, applicable for weight capacity validation |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame components | |
|---|---|---|
| GB/T 16799-2008 | Leather for furniture, applicable to natural leather upholstery material | |
| GB/T 35607-2017 | Green product assessment for furniture, applicable to indoor environmental safety evaluation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame components; 2. GB/T 16799-2008: Leather for furniture, applicable to natural leather upholstery material; 3. GB/T 35607-2017: Green product assessment for furniture, applicable to indoor environmental safety evaluation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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