| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Three-seat sofa overall dimensions | 2090 x 850 x 830 mm | |
|---|---|---|
| Single-seat armchair overall dimensions | 890 x 850 x 830 mm | |
| Seat height from floor | 440 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest total height above seat | 390 mm | |
| Solid wood armrest width | 180 mm | |
| Seat depth (usable surface) | 580 mm | |
| Backrest angle from vertical | 18 degrees | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Per-seat static load capacity | 150 kg | |
|---|---|---|
| Total set net weight | 260 kg | |
| Upholstery abrasion resistance | 60000 Martindale rubs | |
| Foam indentation hardness ratio | 2.4 | |
| Foam rebound rate | 55% | |
| Frame structural durability | 6000 service hours | |
| Seam stitching pitch | 8 mm | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm | |
| Per-seat Load Reference | 130 kg/seat |
Core acceptance fields · Panels / hardware / frame / upholstery
| Internal structural frame | Kiln-dried solid hardwood, moisture content 15% | |
|---|---|---|
| Seat support system | High-carbon steel serpentine springs + 50mm elastic tension bands | |
| Cushion padding | 50kg/m³ high-density polyurethane foam | |
| Backrest padding | 35kg/m³ high-density polyurethane foam | |
| Upholstery material | 1.2mm thick dark brown top-grain leather | |
| Armrest and base trim | Polished solid hardwood with glossy clear lacquer finish | |
| Base feet | Solid wood block feet with anti-slip protective pads | |
| Internal reinforcement | 15mm high-density fiberboard armrest backing | |
| Stitching thread | High-tensile bonded nylon thread | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% | |
| Spring / Webbing Specification | Sinuous spring wire 4 mm; elastic webbing 70 mm wide | |
| Leg Connector Specification | Reference M8-M10 with at least 1 mechanical fixing per leg |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | 1 three-seat sofa + 2 matching single-seat armchairs | |
|---|---|---|
| Structural adjustability | Fixed stationary non-reclining design | |
| Cushion attachment | Fixed non-removable seat and back cushions | |
| Seat support function | Serpentine spring suspension distributes weight evenly | |
| Surface maintenance | Smooth leather surface allows wipe-clean daily maintenance | |
| Installation requirement | Fully assembled delivery with only foot attachment required | |
| Customization option | Custom upholstery color available for bulk orders | |
| Block foot height | 60 mm | |
| Cushion Service Configuration | Recommended 2removable/replaceable cushion methods |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Module Carton Dimensions | 2200× 1050× 850 mm | |
| Reference Packaging Volume | 1.8 m³/item | |
| Reference Packaged Gross Weight | 110 kg/item |
Recommended spaces / users / usage modes
| Executive office reception areas | Formal dark brown wood-trim design matches high-level executive meeting spaces | |
|---|---|---|
| Corporate boardroom lounge zones | 3+1+1 configuration accommodates small group meeting waiting and discussion | |
| Government office visitor spaces | Formal durable construction meets public sector furniture procurement requirements | |
| VIP guest waiting rooms | Premium leather and solid wood finish conveys professional high-end institutional image | |
| Hotel business center lounges | Stationary low-maintenance design supports high-traffic commercial hospitality use |
EU Market Access Requirements* EN Standards
| Upholstery flame resistance | EN 1021:2014 | |
|---|---|---|
| Furniture stability testing | EN 1728:2012 | |
| Seat durability testing | EN 1725:1998 |
Standards applicable to China-market projects
| Frame structural performance | GB/T 3324 | |
|---|---|---|
| Leather upholstery performance | GB/T 16799 | |
| Foam padding performance | GB/T 10802 | |
| Formaldehyde emission limit | GB 18584 |
This product must meet the following technical requirements: 1. Frame structural performance: GB/T 3324; 2. Leather upholstery performance: GB/T 16799; 3. Foam padding performance: GB/T 10802; 4. Formaldehyde emission limit: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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