| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 3-seater sofa dimensions | 2120 x 830 x 850 mm | |
|---|---|---|
| Overall single armchair dimensions | 1160 x 830 x 850 mm | |
| Seat height from floor | 450 mm | |
| Seat depth | 500 mm | |
| Seat cushion thickness | 150 mm | |
| Backrest total height | 520 mm | |
| Armrest height from seat | 200 mm | |
| Solid wood leg cross-section | 80 x 80 mm | |
| Armrest width | 180 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 gross weight | 180 kg | |
|---|---|---|
| Overall frame static load capacity | 500 kg | |
| Cushion foam density | 42 kg/m³ | |
| Cushion foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30 mm | |
| Total seating capacity width across set | 4440 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery covering | 1.4mm thick top-grain brown leather | |
|---|---|---|
| Internal frame | Kiln-dried solid larch hardwood, moisture content 12% | |
| Frame encapsulation | E1 grade medium density fiberboard | |
| Seat support system | 3.2mm diameter S-shaped zigzag springs, spaced 100mm apart | |
| Seat cushion fill | 42D high-resilience polyurethane foam, top 40mm soft foam layer | |
| Backrest fill | 30D medium-density polyurethane foam, channel-tufted structure | |
| Exposed wood trim and legs | Polished red-brown stained solid hardwood, lacquer finish | |
| Sewing thread | High-tenacity bonded polyester thread, lock-stitched seams | |
| 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 | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | 1 three-seat sofa + 2 matching single armchairs, fixed non-modular layout | |
|---|---|---|
| Recline function | Fixed upright seating position, no recline or tilt mechanism | |
| Cushion attachment | Loose seat cushions with non-slip base, fixed attached backrests | |
| Floor protection | Fixed solid wood legs with non-marking felt floor glides | |
| Cleaning functionality | Smooth leather surface supports wipe-clean maintenance with standard leather care products | |
| Upholstery tufting | Vertical channel tufting on backrests to maintain fill shape over time | |
| Arm support design | Curved rolled padded armrests with solid wood edge trim for ergonomic forearm support | |
| 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
| Formal residential living room | Symmetrical layout fits centered placement in large classic or traditional living spaces | |
|---|---|---|
| Executive office reception area | Formal leather and wood finish supports professional visitor reception seating | |
| VIP lounge waiting area | High-backed padded design provides comfortable waiting seating for 5 adults | |
| Large formal dining lounge | Can be positioned adjacent to dining areas for post-meal relaxed seating | |
| Hotel suite public seating | Coordinated wood and leather finish matches classic hotel interior design schemes | |
| 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
| Furniture stability testing | EN 12520:2015, applicable for seating furniture strength and stability | |
|---|---|---|
| Upholstery flame resistance | EN 1021:2014, applicable for upholstered furniture cigarette ignition resistance |
US and Canada office-furniture standards
| Seating static load test | ANSI/BIFMA X2021applicable for lounge seating static load requirements | |
|---|---|---|
| Seating durability cycle test | ANSI/BIFMA X2021applicable for lounge seating cyclic durability testing |
Standards applicable to China-market projects
| Formaldehyde emission limit | GB 18584applicable for wood furniture upholstery components | |
|---|---|---|
| Leather upholstery safety | GB 20400applicable for leather furniture harmful substance limits | |
| Furniture durability testing | GB/T 3324applicable for general wooden furniture structural performance |
This product must meet the following technical requirements: 1. Formaldehyde emission limit: GB 18584applicable for wood furniture upholstery components; 2. Leather upholstery safety: GB 20400applicable for leather furniture harmful substance limits; 3. Furniture durability testing: GB/T 3324applicable for general wooden furniture structural performance; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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