| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 3-seater sofa dimensions | 2400 x 1016 x 940 mm | |
|---|---|---|
| Single armchair dimensions | 1050 x 940 x 940 mm | |
| Matching coffee table dimensions | 1200 x 700 x 450 mm | |
| Seat height from floor | 450 mm | |
| Seat depth (usable) | 550 mm | |
| Armrest height from floor | 650 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest cushion thickness | 100 mm | |
| Solid wood trim thickness (arm/base) | 50 mm | |
| Plinth base height | 80 mm | |
| Clearance under seating plinth | 20 mm | |
| Coffee table top thickness | 15 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
| Per-seat static load capacity | 150 kg | |
|---|---|---|
| Total set net weight (seating units only) | 185 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seat support system static durability | 100000 cycles | |
| Recommended total user capacity | 5 persons | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Inner seating frame | Kiln-dried solid hardwood + 18mm multi-layer plywood, moisture content <12% | |
|---|---|---|
| Seat support system | Sinuous steel springs + high-elasticity rubber webbing | |
| Upholstery | 1.2mm thick corrected-grain brown leather, stain-resistant top finish | |
| Padding layers | High-density polyurethane foam + 180g silk floss top layer | |
| Armrest and base trim | 50mm polished solid hardwood, clear lacquer finish | |
| Floor glides | Non-marking nylon glides fixed to plinth base feet | |
| Seam construction | Reinforced bonded nylon stitching, 8 stitches per 30mm seam pitch | |
| Coffee table top | 15mm black tempered glass with polished edge | |
| Coffee table base | Powder-coated black steel support frame | |
| 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 3-seat sofa + two matching single armchairs, formal symmetrical layout | |
|---|---|---|
| Seating adjustment | No recline, swivel, or height adjustment; fixed upright formal seating angle | |
| Surface maintenance | Stain-resistant leather finish allows wipe-cleaning with mild detergent | |
| Floor protection | Fixed non-marking nylon glides prevent scuffing on tile, wood, or carpet floors | |
| Assembly requirement | Knock-down design requires simple attachment of wood plinth bases to seating frames | |
| Coffee table function | Low-profile central table provides stable surface for refreshments, documents, and decor | |
| Upholstery performance | Breathable leather surface prevents heat buildup during extended seated use | |
| 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
| Executive office reception areas | Formal styling presents a professional image for visiting clients and guests | |
|---|---|---|
| Corporate lobby waiting zones | High-traffic durable construction withstands daily public use in entry spaces | |
| Manager private office lounge areas | Coordinated set supports informal internal meetings adjacent to work desks | |
| Hotel business center lounges | Consistent formal aesthetic matches premium commercial hospitality interiors | |
| Boardroom breakout spaces | Upright seating supports short collaborative discussions outside formal meetings | |
| Government/official meeting spaces | Conservative wood-trimmed leather design aligns with formal institutional decor | |
| 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 seating safety requirements, applicable for public reception use | |
|---|---|---|
| EN 1022:2019 | Upholstered furniture stability testing standard for stationary domestic/commercial seating | |
| EN 71-2:2020 | Flammability requirements for upholstered furniture materials in public spaces |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge and public seating safety and durability standard for commercial office use | |
|---|---|---|
| ANSI/BIFMA M7.1-2020 | Standard test method for VOC emissions from office furniture systems | |
| ANSI/BIFMA X5.4.1-2020 | Durability testing for stationary lounge seating structural components |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood trim and frame components | |
|---|---|---|
| GB/T 16799-2008 | Technical specifications for furniture leather, applicable to brown upholstery material | |
| GB 20400-2006 | Limits of harmful substances in leather and fur, applicable for formaldehyde and VOC compliance | |
| GB/T 35607-2017 | Durability evaluation for upholstered furniture seating, applicable for commercial use testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood trim and frame components; 2. GB/T 16799-2008: Technical specifications for furniture leather, applicable to brown upholstery material; 3. GB 20400-2006: Limits of harmful substances in leather and fur, applicable for formaldehyde and VOC compliance; 4. GB/T 35607-2017: Durability evaluation for upholstered furniture seating, applicable for commercial use testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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