| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Set configuration | 1 three-seater sofa + 2 matching single armchairs | |
|---|---|---|
| Three-seater overall dimensions | 2230 x 860 x 920 mm | |
| Single armchair overall dimensions | 1200 x 860 x 920 mm | |
| Seat height from floor | 450 mm | |
| Seat depth per seating position | 550 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest height above seat | 470 mm | |
| Armrest height above seat | 220 mm | |
| Total set minimum arrangement footprint | 3600 x 3000 mm | |
| Armrest width per side | 120 mm | |
| Seat width per three-seater position | 660 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
| Total set net weight | 260 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Cushion foam density | 35 kg/m³ | |
| Cushion foam rebound rate | 90% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Frame static load rating | 750 kg | |
| Recommended maximum seating capacity | 5 persons | |
| Color option availability | 1 standard color | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery material | 1.2mm thick black top-grain leather or high-grade faux leather | |
|---|---|---|
| Internal frame | 30mm thick kiln-dried solid wood skeleton | |
| Seat cushion fill | Three-layer high-density resilient polyurethane foam | |
| Back cushion fill | Shaped high-elastic foam with fiber wrap | |
| Armrest trim | Dark walnut-stained solid wood with polished clear lacquer finish | |
| Support feet | 50mm block solid wood feet with non-slip polymer floor glides | |
| Upholstery stitching | High-tensile bonded polyester thread with 8mm seam pitch | |
| Seat support base | 8mm thick plywood decking over sinuous spring suspension | |
| Wood surface treatment | Low-VOC scratch-resistant polyurethane coating | |
| 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
| Seating adjustment | Fixed stationary upright seating position, no recline or swivel mechanisms | |
|---|---|---|
| Floor protection | Non-marking polymer glides on all wood feet | |
| Cushion design | Fixed attached cushions with segmented stitching | |
| Cleaning and maintenance | Smooth non-porous upholstery surface, wipe-clean with soft damp cloth | |
| Arrangement flexibility | Modular standalone units that can be arranged in U-shape, linear or side-by-side layouts | |
| Load distribution | Sinuous spring suspension distributes user weight evenly across seat surface | |
| Edge support | Reinforced wood edging on seat and arm frames | |
| Sunlight resistance | Upholstery formulated to resist fading from indirect indoor sunlight | |
| Wood foot block height | 50 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Height Adjustment Stroke | 100 mm continuous travel |
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
| Corporate office reception areas | Formal professional styling creates appropriate first impression for visiting clients | |
|---|---|---|
| Executive lounge and waiting rooms | Comfortable upright seating supports extended waiting periods for business meetings | |
| Boardroom ancillary seating zones | Matching set coordinates with executive office furniture for cohesive design | |
| Government and institutional meeting spaces | Durable commercial construction meets high-traffic public area requirements | |
| Hotel business center lounges | Classic black and wood finish complements neutral commercial interior palettes | |
| Private office guest seating | Single armchairs can be deployed separately for in-office visitor seating | |
| 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 13759:2008 | Domestic and contract furniture seating test methods for strength and durability | |
|---|---|---|
| EN 1022:2018 | Furniture seating determination of stability for stationary office seating |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to wood frame construction | |
|---|---|---|
| GB/T 19001-2016 | Quality management system reference for commercial furniture production | |
| GB 18584-2001 | Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to wood frame construction; 2. GB/T 19001-2016: Quality management system reference for commercial furniture production; 3. GB 18584-2001: Indoor decorating and refurbishing materials limit of harmful substances for wooden furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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