| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Three-seat sofa overall dimensions | 2100 x 860 x 890 mm | |
|---|---|---|
| Single armchair overall dimensions | 910 x 810 x 890 mm | |
| Seat height from floor | 460 mm | |
| Seat depth (usable surface) | 560 mm | |
| Seat cushion thickness | 150 mm | |
| Back cushion thickness | 130 mm | |
| Sloped armrest height from seat | 180 mm | |
| Metal leg height | 150 mm | |
| Three-seat sofa seating width | 1800 mm | |
| Single armchair seating width | 660 mm | |
| Knee clearance under seating | 150 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 | 139 kg | |
|---|---|---|
| Three-seat sofa maximum static load | 409 kg | |
| Single armchair maximum static load | 136 kg | |
| Load capacity per metal leg | 113 kg | |
| Recommended total occupants | 5 | |
| Cushion foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Seam stitch pitch | 30 mm per 10 stitches | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.0mm thick PU faux leather, light taupe finish | |
|---|---|---|
| Internal seating frame | 18mm thick eucalyptus plywood with hardwood bracing | |
| Seat suspension system | 1.8mm diameter sinuous steel springs with elastic webbing | |
| Cushion core material | High-density polyurethane foam with polyester fiber wrap | |
| Leg construction | 1.2mm thick powder-coated iron, tapered angled design, black finish | |
| Back cushion fill | Blown polyester fiber over foam core | |
| Upholstery edge detailing | Gathered stitched trim on sloped armrest edges | |
| Fastening hardware | Zinc-plated steel KD assembly bolts and brackets | |
| 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 layout | Inward-facing 3+1+1 configuration for group conversation | |
|---|---|---|
| Assembly requirement | Knock-down assembly with leg attachment and cushion placement | |
| Floor protection | Non-slip rubber pads on each leg base to prevent floor scratching | |
| Cushion design | Loose, reversible seat and back cushions for even wear | |
| Recline function | Fixed upright backrest angle with no tilt or recline mechanisms | |
| Armrest function | Padded sloped armrests supporting forearm rest during seated use | |
| Leg stability | Four-point angled leg placement per unit for anti-tip stability | |
| 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
| Residential living room seating | Suitable for open-plan living areas arranged around a central coffee table for daily relaxation | |
|---|---|---|
| Office reception and waiting areas | Suitable for corporate lobbies, visitor waiting zones and breakout spaces for guest seating | |
| Hotel and apartment lounge areas | Suitable for boutique hotel guest lounges, serviced apartment common areas and short-stay accommodation | |
| Small public lounge spaces | Suitable for café lounge zones, community center seating areas and studio waiting rooms | |
| Recommended pairing | Pair with matching slatted-base metal frame coffee tables to complete a coordinated lounge ensemble | |
| Recommended user group | Suitable for adult users for casual seated relaxation and short-duration social visits | |
| 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
| Domestic furniture seating strength standard | EN 12520:2015 | |
|---|---|---|
| Upholstered furniture flammability standard | EN 1021:2014 | |
| Furniture surface emission standard | EN 16516:2017 |
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.4 |
|---|
Standards applicable to China-market projects
| Upholstered furniture safety standard | GB 28007 | |
|---|---|---|
| Formaldehyde emission limit | GB 18580 | |
| Hardware durability requirement | GB/T 3324 |
This product must meet the following technical requirements: 1. Upholstered furniture safety standard: GB 28007; 2. Formaldehyde emission limit: GB 18580; 3. Hardware durability requirement: GB/T 3324; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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