| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall set configuration | 1 three-seat sofa + 2 matching single armchairs, symmetrical inward-facing layout | |
|---|---|---|
| Three-seat sofa overall dimensions | 1950 x 830 x 850 mm | |
| Single armchair overall dimensions | 900 x 830 x 850 mm | |
| Seat height from floor | 450 mm | |
| Seat depth (usable) | 550 mm | |
| Seat width per person (three-seat) | 600 mm | |
| Armrest height from seat | 220 mm | |
| Backrest height from seat | 400 mm | |
| Wood frame member section thickness | 60 mm | |
| Floor clearance under seat base | 120 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 | 135 kg | |
|---|---|---|
| Seat static load per position | 150 kg | |
| Overall set static load capacity | 750 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 20 kg/m³ | |
| Foam resilience rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles (Martindale) | |
| Seat support spring gauge | 3.2 mm diameter serpentine steel spring | |
| Wood frame moisture content | 12% | |
| General product warranty | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Exposed frame/arm/base | Polished kiln-dried solid hardwood, reddish-brown varnish finish | |
|---|---|---|
| Inner support frame | Kiln-dried pine + multi-layer plywood reinforcement | |
| Seat upholstery | 1.2mm thick taupe PU leather, wear-resistant anti-fouling surface | |
| Backrest upholstery | Matching taupe PU leather, quilted texture surface | |
| Seat padding core | High-density polyurethane foam, top layer 180g silk floss wadding | |
| Backrest padding core | Medium-density polyurethane foam, contoured for lumbar support | |
| Seat support system | Serpentine manganese steel springs + elastic rubber webbing | |
| Frame connection hardware | Zinc-plated steel bolts and corner brackets | |
| Foot contact pads | Non-slip rubber floor protection pads | |
| 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 | Five total seating positions for guest reception conversations | |
|---|---|---|
| Position adjustment | Fixed non-reclining upright seat and backrest, no tilt or recline mechanisms | |
| Cushion design | Fixed integrated seat and back cushions, no loose removable cushions | |
| Armrest function | Full-width integrated solid wood armrests on all pieces | |
| Base design | Cantilever sled-style solid wood base, no separate individual legs | |
| Assembly requirement | Knock-down assembly with included hardware, no special tools required | |
| Cleaning performance | Smooth leather upholstery resists liquid spills and stains | |
| Color customization | Available in black, brown, taupe, and custom project colors | |
| 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
| 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 symmetrical layout for guest waiting areas with professional appearance | |
|---|---|---|
| Meeting room visitor seating | Upright supportive seating for short to medium duration meetings and discussions | |
| Hotel lobby waiting zones | Durable commercial grade construction for high-traffic public guest areas | |
| Executive office visitor seating | Matching wood frame design complements executive office decor and furnishings | |
| Small business waiting rooms | Compact 3-piece set fits standard small reception spaces with 5-person capacity | |
| Recommended complementary furniture | Pair with matching wood frame coffee table for complete reception area configuration | |
| 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 1335-2:2018 | Office furniture, office seating safety requirements, applicable to structural stability | |
|---|---|---|
| EN 1022:2018 | Domestic and contract seating, stability test method for all seating pieces | |
| EN 12520:2015 | Furniture, seating strength, durability and safety requirements for commercial use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge and public seating standard, applicable to commercial reception seating durability | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office seating safety and performance baseline, applicable to load testing |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame structural testing | |
|---|---|---|
| GB/T 16799-2008 | Technical specifications for furniture-used artificial leather, applicable to PU upholstery quality | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde emission testing | |
| GB/T 10357.1-2013 | Furniture mechanical performance test for seating, applicable to static and durability load testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame structural testing; 2. GB/T 16799-2008: Technical specifications for furniture-used artificial leather, applicable to PU upholstery quality; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde emission testing; 4. GB/T 10357.1-2013: Furniture mechanical performance test for seating, applicable to static and durability load testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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