| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Three-seat sofa overall dimensions | 1900 x 780 x 700 mm | |
|---|---|---|
| Single-seat armchair overall dimensions | 850 x 780 x 700 mm | |
| Seat height from floor | 420 mm | |
| Seat depth (usable cushion) | 550 mm | |
| Backrest height above seat | 280 mm | |
| Armrest height above floor | 580 mm | |
| Steel frame tube diameter | 25 mm | |
| Matched coffee table overall dimensions | 1200 x 800 x 450 mm | |
| Frame leg height (clearance under sofa) | 120 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
| Three-seat sofa net weight | 52 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam rebound rate | 50% | |
| Upholstery abrasion resistance | 50000 cycles (Martindale) | |
| Minimum service life (commercial use) | 5 years | |
| Seat width per occupant | 600 mm | |
| Upholstery color fastness to rubbing | Grade 4 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Load-bearing frame | Chrome-plated 25mm diameter cold-rolled steel tube, polished mirror finish | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam, wrapped in soft Dacron layer | |
| Back cushion core | Medium-density polyurethane foam, wrapped in Dacron batting | |
| Upholstery covering | Commercial-grade PU leather, stretched tight over foam cushions | |
| Armrest padding | Matching PU leather over 20mm foam padding on steel frame top rail | |
| Frame joint hardware | Welded steel joints with chrome finish, recessed mounting bolts for cushions | |
| Foot glides | Nylon floor protection glides fitted to bottom of frame legs | |
| Matched coffee table top | Tempered black glass top with polished edge, supported by matching chrome steel frame | |
| Coffee table lower shelf | 8mm thick black tempered glass shelf fixed to lower frame rails, providing open storage for magazines and items | |
| Internal cushion support board | 9mm thick plywood support panel under each seat cushion, fixed to steel frame rails | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Modular configuration flexibility | Seating units can be arranged in L-shapes, linear rows or clustered groupings using independent 3-seat sofas and single armchairs | |
|---|---|---|
| Fixed angle back support | Backrest fixed at 105 degree tilt angle for relaxed upright reception seating | |
| Non-reclining seat structure | Seat and back are rigidly mounted to steel frame with no tilt, recline or swivel mechanisms | |
| Floor protection | Nylon glides under all frame legs prevent scratching hard floor surfaces and allow light repositioning without lifting | |
| Stain-resistant surface | PU leather upholstery can be wiped clean with damp cloth to remove common office spills | |
| Color customization option | Upholstery available in black, red, light grey to match office interior schemes | |
| Level adjustment function | Nylon foot glides can be rotated to adjust leg height by 5mm to compensate for uneven floor surfaces, eliminating rocking on installation | |
| 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
| Total number of packages (full 3+2+1+table set as shown) | 6 packages | |
|---|---|---|
| Three-seat sofa carton dimensions | 1950 x 820 x 420 mm | |
| Single armchair carton dimensions | 900 x 820 x 420 mm | |
| Three-seat sofa packaged gross weight | 58 kg | |
| Single armchair packaged gross weight | 30 kg | |
| Total set shipping volume (CBM) | 1.35 cbm | |
| On-site assembly time per sofa unit | 30 minutes | |
| 40ft HQ container loading quantity (3-seat sofas) | 72 units | |
| Assembly hardware included | All required bolts, hex key and assembly instructions packed with each unit | |
| Matching coffee table carton dimensions | 1250 x 850 x 120 mm |
Recommended spaces / users / usage modes
| Corporate office reception areas | Formal Bauhaus aesthetic matches professional office lobbies, provides durable guest seating for visitors waiting for meetings | |
|---|---|---|
| Executive lounge spaces | Low-profile padded design offers comfortable seating for informal executive discussions or break areas | |
| Public waiting zones | Wipe-clean PU upholstery and robust steel frame withstand high daily foot traffic in government, banking or service centre waiting areas | |
| Meeting room breakout areas | Modular units can be rearranged to suit small group discussions or casual collaboration outside formal meeting rooms | |
| Showroom and gallery waiting spaces | Iconic modern design complements contemporary interior architecture while providing functional guest seating | |
| Co-working space common areas | Durable construction and stain-resistant surface supports shared use by members and guests, modular configuration fits flexible open-plan co-working layouts | |
| 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 13761:2002 | Office furniture - Visitor chairs, applicable to seating strength and stability requirements for non-task reception seating | |
|---|---|---|
| EN 1022:2018 | Domestic furniture - Seating - Determination of stability, applicable to tipping risk verification for all seating units | |
| EN 12520:2015 | Furniture - Strength, durability and safety - Requirements for domestic seating, applicable to structural performance acceptance | |
| EN 12150-1:2015 | Glass in building - Thermally toughened soda lime silicate safety glass, applicable to coffee table tempered glass safety performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Standard for Lounge and Public Seating, applicable to static load, durability and stability testing for commercial reception use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to structural stability testing of upholstered seating frames | |
|---|---|---|
| GB/T 16799-2008 | Polyurethane synthetic leather for furniture, applicable to upholstery material performance acceptance | |
| GB 18584-2001 | Limit of harmful substances in wooden furniture, applicable to formaldehyde and heavy metal content verification for foam and adhesives | |
| GB/T 10357.3-2013 | Test method for strength and durability of chairs and stools, applicable to seat and back load cycle testing | |
| GB 15763.2-2005 | Tempered glass for building, applicable to impact resistance and breakage safety of coffee table glass tops |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to structural stability testing of upholstered seating frames; 2. GB/T 16799-2008: Polyurethane synthetic leather for furniture, applicable to upholstery material performance acceptance; 3. GB 18584-2001: Limit of harmful substances in wooden furniture, applicable to formaldehyde and heavy metal content verification for foam and adhesives; 4. GB/T 10357.3-2013: Test method for strength and durability of chairs and stools, applicable to seat and back load cycle testing; 5. GB 15763.2-2005: Tempered glass for building, applicable to impact resistance and breakage safety of coffee table glass tops; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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