| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 3-seat sofa overall dimensions | 2100 x 850 x 860 mm | |
|---|---|---|
| Single armchair overall dimensions | 1000 x 840 x 860 mm | |
| Seat height from floor | 450 mm | |
| Seat depth (usable surface) | 550 mm | |
| Armrest height above seat | 200 mm | |
| Armrest width (horizontal) | 150 mm | |
| Backrest height above seat | 410 mm | |
| 3-seat single seat width (per position) | 600 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest cushion thickness | 100 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 | 120 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total set maximum occupant capacity | 4 persons | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| Structural frame static load rating | 600 kg | |
| Warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery covering | Black PU or top-grain cowhide leather | |
|---|---|---|
| Internal load-bearing frame | Kiln-dried insect-treated solid wood with plywood reinforcement | |
| Armrests | Polished solid hardwood block with cherry wood finish | |
| Seat support system | Manganese steel coil springs + elastic webbing base | |
| Seat cushion filling | High-density polyurethane foam | |
| Backrest cushion filling | Medium-high density polyurethane foam | |
| Seat base enclosure | Matching black leather/PU wrapped side panels | |
| Seam construction | Reinforced polyester stitching with 8mm seam pitch | |
| Foot glides | Non-marking plastic floor glides | |
| 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 configuration | Fixed stationary 3+1 set, no recline or swivel functions | |
|---|---|---|
| Upholstery maintenance | Wipe-clean water and stain resistant surface | |
| Assembly requirement | Fully assembled delivery, no end-user assembly needed | |
| Armrest function | Full-depth solid wood arm support for seated occupants | |
| Back support design | Segmented padded three-section back for 3-seat sofa | |
| Floor protection | Hidden non-marking glides prevent scuffing on hard flooring | |
| Customization option | Available in 60+ custom upholstery colors for commercial projects | |
| Configuration flexibility | Supports additional matching 2-seat unit expansion for larger spaces | |
| 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 | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Total set gross shipping weight | 130 kg | |
|---|---|---|
| Total packaged volume | 2.4 CBM | |
| 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 black leather styling for guest waiting and visitor greeting spaces | |
|---|---|---|
| Executive office lounge zones | Matches executive desk aesthetics for in-office meeting and rest areas | |
| Meeting and negotiation rooms | Fixed comfortable seating for short-duration formal business discussions | |
| Public institution waiting spaces | Durable easy-clean surface for high-traffic public service waiting areas | |
| Hotel business center lobbies | Professional commercial grade seating for hotel guest business facilities | |
| Recommended pairing | Match with rectangular wood/glass coffee table for complete reception area set | |
| 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 13761:2002 | Office furniture - Visitor chairs, applicable to reception seating strength and stability | |
|---|---|---|
| EN 1021-1:2014 | Upholstered furniture ignitability (cigarette test), applicable to fire safety requirement |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge and public seating standard, applicable to commercial reception seating durability |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame components | |
|---|---|---|
| GB 20400-2006 | Leather and fur limit of harmful substances, applicable to leather upholstery options | |
| GB/T 19001-2016 | Quality management system requirement, applicable to manufacturing quality control |
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 20400-2006: Leather and fur limit of harmful substances, applicable to leather upholstery options; 3. GB/T 19001-2016: Quality management system requirement, applicable to manufacturing quality control; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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