| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Three-seater sofa overall dimensions | 2200 x 900 x 850 mm | |
|---|---|---|
| Single armchair overall dimensions | 950 x 850 x 850 mm | |
| Seat height from floor | 450 mm | |
| Seat depth for three-seater sofa | 580 mm | |
| Seat depth for single armchair | 560 mm | |
| Backrest height from seat surface | 400 mm | |
| Armrest height from floor | 620 mm | |
| Leg height from floor | 150 mm | |
| Side panel thickness | 30 mm | |
| Clearance under sofa for cleaning | 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
| Single seat static load capacity | 150 kg | |
|---|---|---|
| Three-seater sofa unit weight | 75 kg | |
| Single armchair unit weight | 32 kg | |
| Recommended maximum occupancy for full set | 5 people | |
| Foam indentation load deflection | 40 kg/m³ | |
| Seam tensile strength | 180 N | |
| Surface upholstery abrasion resistance | 50000 rub cycles | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 60% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth light beige top-grain leather or commercial-grade PU leather, stitched with fine matching thread | |
|---|---|---|
| Outer side panels | Dark brown wood-veneer or matte PU wrapped rigid panel, finished with clean edge trim | |
| Armrest pads | Same light beige upholstery as seat/back, padded with soft foam over rigid arm frame | |
| Support legs | 1.5mm thick matte black powder-coated carbon steel, tapered angled design | |
| Internal seat frame | 25mm thick kiln-dried hardwood frame with corner bracing | |
| Cushion padding | 40mm thick high-resilience polyurethane foam topped with 10mm soft fiber wrap | |
| Back padding | 30mm thick medium-density polyurethane foam with fiber topping | |
| Joinery hardware | Zinc-plated steel screws and corner brackets, rust-resistant coating | |
| Seat cushion padding | 100mm thick high-resilience polyurethane foam topped with 20mm soft polyester fiber wrap | |
| Internal back support webbing | 50mm wide elastic webbing spaced 80mm apart, fastened to frame with steel staples | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Fixed cushion construction | Seat and back cushions are secured to the frame to prevent shifting during regular use, no removable cushion covers | |
|---|---|---|
| Tapered leg stability | Four angled metal legs per unit distribute weight evenly to prevent tipping when users sit on armrest edges | |
| Under-unit clearance | 120mm open space beneath the frame allows easy cleaning and unobstructed air circulation around the rug below | |
| Integrated lumbar support | Back cushions are stitched with contour shaping to provide built-in lumbar support without separate adjustable cushions | |
| Armrest load support | Padded armrests support up to 90kg static load for users leaning or assisting with standing, with reinforced internal bracing | |
| Modular arrangement flexibility | All three units are freestanding, allowing placement in L-shaped, opposing, or linear layouts to suit different reception room sizes | |
| Under-unit cleaning access | 120mm open space beneath the frame allows standard vacuum cleaner nozzles to access floor under all units for routine maintenance | |
| Freestanding modular arrangement | All three units are non-connected freestanding pieces, allowing placement in L-shaped, opposing, or linear layouts to suit 30sqm reception room sizes | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 shipping units per full set | 3 units | |
|---|---|---|
| Three-seater sofa carton dimensions | 2250 x 950 x 600 mm | |
| Single armchair carton dimensions | 1000 x 900 x 600 mm per unit | |
| Total gross weight per full set | 128 kg | |
| Total shipping volume per full set | 2.36 CBM | |
| Assembly time per full set | 60 minutes | |
| 40ft HQ container loading capacity | 42 sets | |
| Required assembly tools | Standard Phillips screwdriver and Allen key | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive office reception areas | Fits formal executive office waiting spaces, with professional two-tone styling that matches dark wood and neutral office interiors | |
|---|---|---|
| Corporate lounge and breakout zones | Provides comfortable seating for informal employee breaks or small client meetings in open office environments | |
| High-end hotel lobby waiting zones | Durable contract-grade construction suits high-traffic public lobby areas with consistent professional appearance | |
| Boardroom side seating | Can be placed along boardroom walls for additional guest seating during long meetings or overflow attendance | |
| Private study and home office spaces | Scaled appropriately for premium home office setups requiring durable, formal seating for household guests | |
| Recommended pairing | Coordinates with light grey low-pile area rugs and dark wood storage cabinets to create a cohesive modern commercial interior | |
| Premium private office guest spaces | Scaled appropriately for 15sqm senior manager private offices requiring durable, formal seating for 3 visiting guests | |
| Recommended Matching Desk Size | 2.4 m executive desk |
European market access and chemical requirements
| EN 13761:2012 | Furniture - Seating for office waiting areas, applicable for structural stability, strength and durability testing of lounge seating | |
|---|---|---|
| EN 1021-1:2014 | Furniture - Assessment of the ignitability of upholstered furniture, Part 1: Ignition source smouldering cigarette, required for public area fire safety compliance | |
| EN 1021-2:2014 | Furniture - Assessment of the ignitability of upholstered furniture, Part 2: Ignition source match flame equivalent, required for public area fire safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Standard for Lounge Seating, applicable for static load, fatigue, stability and durability testing for commercial office use | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture Sustainability Standard, applicable for evaluating material content, emissions and end-of-life recyclability for green procurement |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for side panel and frame structural performance, dimensional tolerance and finish quality checks | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fur, applicable for testing formaldehyde and heavy metal content in leather upholstery components | |
| GB/T 19001-2016 | Quality management system guideline for furniture manufacturing, for supplier production process qualification during procurement | |
| GB/T 27904-2011 | Furniture - Mechanical performance tests for seating furniture, applicable for static load and fatigue testing of sofa frames |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for side panel and frame structural performance, dimensional tolerance and finish quality checks; 2. GB 20400-2006: Limit of harmful substances in leather and fur, applicable for testing formaldehyde and heavy metal content in leather upholstery components; 3. GB/T 19001-2016: Quality management system guideline for furniture manufacturing, for supplier production process qualification during procurement; 4. GB/T 27904-2011: Furniture - Mechanical performance tests for seating furniture, applicable for static load and fatigue testing of sofa frames; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Open Export ToolModern 3-Piece Office Lounge Seating Set, Artificial Leather.
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