| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 3-seater sofa overall dimensions | 2400 x 940 x 880 mm | |
|---|---|---|
| Single armchair overall dimensions | 1050 x 940 x 880 mm | |
| Seat height from floor | 420 mm | |
| Seat cushion depth per position | 620 mm | |
| Backrest height above seat | 460 mm | |
| Rolled armrest height from floor | 610 mm | |
| Armrest width per side | 120 mm | |
| Seat cushion thickness | 140 mm | |
| Back cushion thickness | 100 mm | |
| Wood trim base height | 80 mm | |
| Support leg height | 40 mm | |
| Total 3+1+1 set U-layout footprint | 3900 x 2900 mm | |
| Knee clearance under seat front rail | 180 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total set packaged weight | 260 kg | |
|---|---|---|
| Static load capacity per seat | 250 kg | |
| Seat cyclic durability | 100000 cycles | |
| Leather upholstery abrasion resistance | 50000 Martindale rubs | |
| Foam resilience rate | 37% | |
| Foam service life without permanent deformation | 6 years | |
| Total seating capacity | 5 persons | |
| Structural frame warranty | 6 years | |
| Seat Foam Density / Rebound | 40 kg/m³ / 60% | |
| Upholstery Abrasion Reference | Fabric 60000 cycles; leather-class cover 1.4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.1mm thick dark brown top-grain cowhide leather | |
|---|---|---|
| Internal structural frame | Kiln-dried solid pine wood | |
| Seat cushion core | 45kg/m³ density high-resilience polyurethane foam | |
| Back cushion core | 35kg/m³ density soft polyurethane foam | |
| Seat support system | 3.8mm diameter high-tensile sinuous steel springs | |
| Padded armrest structure | 25mm thick plywood frame wrapped in matching leather | |
| Lower base trim | Stained dark solid oak wood | |
| Support feet | Matte black powder-coated steel tube | |
| Seam stitching | High-tenacity polyester thread with 8mm stitch pitch | |
| Underside dust cover | Black non-woven polypropylene fabric | |
| Cushion reverse side | Breathable non-slip mesh fabric | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% |
Adjustment / rotation / tilt / mobility / storage features
| Seating configuration | Fixed U-shaped layout with central 3-seater and two symmetric armchairs | |
|---|---|---|
| Cushion design | Removable split seat and back cushions | |
| Recline function | Fixed upright back angle of 105 degrees | |
| Mobility feature | Stationary fixed placement with non-marking feet | |
| Joinery design | Reinforced silent metal corner brackets at frame joints | |
| Surface property | Stain and scratch resistant leather finish | |
| Assembly requirement | Knock-down delivery with simple leg and base attachment | |
| Configuration option | Compatible with matching rectangular coffee table for central placement | |
| Cushion Service Configuration | Recommended 2removable/replaceable cushion methods |
Verified carton / gross weight / assembly / loading data
| Reference Package Count | 1 set / 2 cartons | |
|---|---|---|
| Reference Assembly Time | 40 minutes per set | |
| Reference Module Carton Dimensions | 2200× 1050× 850 mm | |
| Reference Packaging Volume | 1.8 m³/item | |
| Reference Packaged Gross Weight | 110 kg/item |
Recommended spaces / users / usage modes
| Executive office reception areas | Formal dark leather styling aligns with high-end corporate visitor space aesthetics | |
|---|---|---|
| Corporate waiting rooms and lounges | 5-person capacity accommodates small group meetings and guest waiting | |
| Boardroom pre-meeting gathering spaces | U-shaped layout supports informal discussion before formal meetings | |
| High-end business negotiation rooms | Stain-resistant durable surfaces withstand frequent commercial use | |
| Government and institution guest reception spaces | Conservative formal design matches official public space requirements | |
| Premium serviced office common areas | Low-profile neutral dark finish coordinates with modern office interiors | |
| Recommended configuration | Pair with matching rectangular coffee table and area rug for complete reception layout |
EU Market Access Requirements* EN Standards
| EN 1335-2:2009 | Applicable to strength and stability requirements for non-domestic office seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable to upholstered furniture ignitability resistance for smoldering cigarette sources | |
| EN 12520:2015 | Applicable to strength, durability and safety requirements for contract furniture seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to general purpose office chairs static and cyclic load test requirements | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applicable to furniture sustainability and environmental performance guidelines for commercial projects |
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to wooden frame general technical requirements for office furniture strength and stability | |
|---|---|---|
| GB 18584-2001 | Applicable to limit of harmful substances (formaldehyde) for interior decoration wooden furniture | |
| GB/T 19001-2016 | Applicable to quality management system requirements for commercial furniture manufacturing | |
| GB/T 16799-2008 | Applicable to leather material performance and testing requirements for furniture upholstery |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to wooden frame general technical requirements for office furniture strength and stability; 2. GB 18584-2001: Applicable to limit of harmful substances (formaldehyde) for interior decoration wooden furniture; 3. GB/T 19001-2016: Applicable to quality management system requirements for commercial furniture manufacturing; 4. GB/T 16799-2008: Applicable to leather material performance and testing requirements for furniture upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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