| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall 3-seater sofa dimensions | 2000 x 850 x 820 mm | |
|---|---|---|
| Single armchair dimensions | 900 x 800 x 820 mm | |
| Seat height from floor | 420 mm | |
| 3-seater seat depth | 580 mm | |
| Single chair seat depth | 560 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest height from seat | 400 mm | |
| Armrest height from seat | 180 mm | |
| Metal leg height | 80 mm | |
| Armrest width | 120 mm | |
| Overall seating clearance width (3-seater) | 1750 mm | |
| Single chair seating clearance width | 600 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 | 115 kg | |
|---|---|---|
| 3-seater sofa individual weight | 55 kg | |
| Single armchair individual weight | 30 kg | |
| 3-seater sofa total static load capacity | 450 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 45% | |
| PU upholstery abrasion resistance | 50000 cycles | |
| Maximum simultaneous occupants | 5 persons | |
| Metal leg static load rating per leg | 80 kg | |
| Recommended warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| External upholstery | Black smooth PU faux leather | |
|---|---|---|
| Seat cushion filling | High-density polyurethane foam | |
| Backrest filling | Medium-density polyurethane foam | |
| Internal structural frame | Dried solid hardwood + plywood composite | |
| Support legs | Polished chrome-plated steel | |
| Armrest core | Padded structure over hardwood frame | |
| Seat support base | Sinuous spring suspension + webbing layer | |
| Upholstery stitching | Matching black polyester thread, 8 stitches per inch | |
| Foot pads | Non-slip rubber pads at leg bases | |
| 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+1+1 layout with no movable cushions or reclining mechanisms | |
|---|---|---|
| Surface cleaning | Smooth non-porous PU surface allows wipe-clean maintenance with mild detergent | |
| Floor clearance | 80 mm under-frame gap allows access for vacuum cleaners and cleaning tools | |
| Seating posture support | Upright fixed back angle of 100 degrees from seat | |
| Modular arrangement | Freestanding units can be arranged in linear, U-shape or L-shape configurations to fit different reception room sizes | |
| Load distribution | Even weight distribution across 4 legs per seating unit prevents floor indentation | |
| Armrest function | Wide padded armrests provide arm support and structural rigidity to sofa frame | |
| Color matching | Uniform black upholstery and chrome leg finish across all three units | |
| 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
| Number of shipping packages per full set | 3 packages | |
|---|---|---|
| 3-seater sofa shipping carton dimensions | 2050 x 900 x 650 mm | |
| Single armchair shipping carton dimensions | 950 x 850 x 650 mm | |
| Total set gross shipping weight | 135 kg | |
| Total shipping volume per set | 2.25 CBM | |
| 40HQ container maximum loading quantity | 42 sets | |
| On-site assembly time | 20 minutes | |
| Standard packaging materials | 5-layer corrugated carton, EPE foam wrap, corner protectors, plastic bag wrap | |
| Inner pack components | Assembly instruction sheet, leg fitting hardware packet, hex key tool | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive office reception areas | Formal black leather-look aesthetic matches executive office decor for hosting visiting clients and guests | |
|---|---|---|
| Corporate lobby waiting zones | Durable wipe-clean upholstery supports high-traffic daily use by visitors and staff | |
| Meeting room breakout areas | Compact footprint allows flexible placement around small meeting spaces for informal discussion seating | |
| Manager private office guest seating | Small-scale 3-piece set fits standard private office dimensions for hosting 3 guests at a time | |
| Public institution visitor areas | Stain-resistant easy-clean surface reduces maintenance overhead in high-footfall public service spaces | |
| Recommended matching furniture | Glass-top metal frame side table, matching black PU office guest chairs, low-pile commercial area rug | |
| 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 1335-1:2020 | Office furniture - Office work chair - Part 1: Dimensions, applicable to dimensional verification for ergonomic seated clearance | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - Seating - Determination of stability, applicable to stability testing of freestanding sofa units | |
| EN 12520:2015 | Furniture - Strength, durability and safety - Requirements for domestic seating, applicable to structural performance verification for office reception use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.11-2015 | Standard for Office Lounge Seating, applicable to structural load, stability and durability testing for commercial reception sofas | |
|---|---|---|
| ANSI/BIFMA X5.4-2020 | Standard for Lounge and Public Seating, applicable to public area reception seating performance requirements |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal wooden frame structural testing and quality verification | |
|---|---|---|
| GB/T 16799-2008 | Specification for polyurethane synthetic leather used for furniture upholstery, applicable to PU fabric performance verification | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde and heavy metal emission testing for indoor use | |
| GB/T 10357.1-2013 | Test method for furniture strength and durability for seating furniture, applicable to static load and fatigue testing of frames and legs |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal wooden frame structural testing and quality verification; 2. GB/T 16799-2008: Specification for polyurethane synthetic leather used for furniture upholstery, applicable to PU fabric performance verification; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde and heavy metal emission testing for indoor use; 4. GB/T 10357.1-2013: Test method for furniture strength and durability for seating furniture, applicable to static load and fatigue testing of frames and legs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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