Dark Gray Upholstered Executive Reception Seating Set (3-Seater Sofa + Armchair) (model OF-SOF-DG-31SET) is listed under Faux Leather Sofa. Dimensions: 2400 × 950 × 900 mm. Materials: Dark gray top-grain corrected leather (contact surfaces) with matching PU leather on non-contact side/rear panels. Load capacity: 450 kg. Product Features: Modern,executive,style,fixed,upholstered,structure,seating,set. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | HUIBANG | Model | OF-SOF-DG-31SET |
| Overall dimensions (W × D × H) | 2400 × 950 × 900 mm | Seat height from floor | 450 mm |
| Seat depth (usable) | 600 mm | Seat cushion thickness | 150 mm |
| Backrest total height | 500 mm | Armrest width | 180 mm |
| Armrest height from seat | 200 mm | Integrated lumbar cushion thickness | 80 mm |
| Base clearance from floor | 20 mm | Finished Seat Cushion Thickness | 90 mm |
| Backrest Padding Thickness | 70 mm | Lumbar Support Zone Height | 240 mm |
| Clear Width Between Armrests | 540 mm | 3-seater sofa net weight | 120 kg |
| 3-seater total static load capacity | 450 kg | Seat cushion foam density | 45 kg/m³ |
| Backrest foam density | 35 kg/m³ | Upholstery abrasion resistance (Martindale) | 50000 cycles |
| Seam stitch pitch | 8 stitches per 30mm | Recommended user count per set | 4 people |
| Standard warranty period | 5 years | Seat support system fatigue life | 20000 load cycles |
| Standard structural warranty period | 5 years | External upholstery | Dark gray top-grain corrected leather (contact surfaces) with matching PU leather on non-contact side/rear panels |
| Internal load-bearing frame | Kiln-dried solid hardwood + 15mm thick multilayer plywood frame | Seat support system | 4mm thick sinuous steel springs with cross-wire bracing + 50mm thick elastic webbing layer |
| Seat cushion padding | High-resilience polyurethane foam with 20mm thick soft down-feather top layer | Backrest padding | Medium-density polyurethane foam + integrated molded lumbar support pad |
| Armrest internal structure | Plywood core wrapped in high-density foam, rounded curved edge upholstered to match seat | Base plinth | Upholstered low-profile plinth with internal 1.2mm thick steel rectangular tube reinforcement |
| Feet/pads | Non-marking black plastic floor protection pads installed at base corners | Decorative branding trim | Small polished metal brand badge embedded on armrest outer side |
| Floor protection components | 5mm thick non-marking black polyethylene pads installed at all base corners, 50mm diameter each | Seam construction | Nylon-bonded heavy-duty upholstery thread with double-stitched reinforced seams along all panel edges |
| Decorative brand trim | 10mm wide polished chrome metal badge embedded on the outer lower edge of each armrest | Seating configuration | Fixed modular reception set, no recline or adjustable components |
| Cleaning access | Fully upholstered smooth surface with no removable cushion covers, designed for wipe-clean maintenance | Floor protection | Low-friction non-marking base pads allow gentle repositioning on hard stone or tile floors without scratching |
| Lumbar support | Integrated fixed curved lumbar support section with extra padded cushion on each seat position | Ergonomic posture support | Slightly angled backrest at 105 degrees from seat surface to support upright formal seating for meetings |
| Stability design | Wide low-profile base distributes weight evenly, no rocking or tilt mechanism to prevent accidental movement during use | Upholstery seam construction | Reinforced double stitching along all panel edges to prevent seam splitting under commercial use |
| Set modularity | 3-seater and armchair can be placed separately or arranged in L-shaped or linear reception layouts per space planning | Cleaning performance | Fully upholstered sealed smooth surface with no removable cushion covers, compatible with neutral leather cleaner for wipe-down maintenance |
| Stability performance | 950mm wide low-profile plinth base distributes user weight evenly, no rocking or tilt function to prevent accidental movement during use | Set layout flexibility | Free-standing 3-seater and armchair units can be arranged in linear, L-shaped or paired opposite layouts with no connecting hardware required |
| Upholstery durability | Reinforced double stitching along all seam junctions resists splitting under repeated commercial use load, no loose thread fraying at edges | 3-seater sofa packaged dimensions | 2450 x 1000 x 800 mm |
| Single armchair packaged dimensions | 1250 x 1000 x 800 mm | Total packaged gross weight per set | 210 kg |
| Total shipment volume per set | 2.96 CBM | On-site assembly time | 20 minutes |
| 40HQ container loading quantity | 26 sets | Total packaging carton count | 2 units |
| Reference Package Count | 1 set / 2 cartons | Reference Assembly Time | 40 minutes per set |
| Reference Carton Dimensions | 850× 420× 720 mm | Executive office reception areas | Ideal for C-suite and senior management office waiting zones, formal dark gray finish matches luxury executive interior design |
| High-end corporate lobby waiting spaces | Suitable for premium corporate entry lobbies, low-profile elegant design projects a professional corporate image to visitors | VIP meeting rooms | Appropriate for formal VIP meeting and boardroom ante-rooms, provides comfortable upright seating for short to medium duration meetings |
| Luxury hotel business centers | Suitable for hotel executive lounges and business center reception areas, premium leather finish matches 5star hotel interior standards | Presidential suite lounge areas | Can be used in high-end hotel suite living areas, coordinated design works with luxury coffee tables and side cabinets as shown in the reference scene |
| Recommended matching furniture | Pairs with marble-top metal frame coffee tables, gold-accent side consoles, and low-pile luxury area rugs as shown in the visual layout | VIP meeting room anterooms | Ideal for formal VIP meeting and boardroom waiting areas, 105-degree backrest angle maintains upright formal posture during pre-meeting waits |
| High-end residential study lounge areas | Can be used in luxury home office or study lounge spaces, formal understated design matches premium residential interior decor | — | — |
| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 2400 × 950 × 900 mm | |
|---|---|---|
| Seat height from floor | 450 mm | |
| Seat depth (usable) | 600 mm | |
| Seat cushion thickness | 150 mm | |
| Backrest total height | 500 mm | |
| Armrest width | 180 mm | |
| Armrest height from seat | 200 mm | |
| Integrated lumbar cushion thickness | 80 mm | |
| Base clearance from floor | 20 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
Data source: Product performance data; verify exact test conditions before procurement.
| 3-seater sofa net weight | 120 kg | |
|---|---|---|
| 3-seater total static load capacity | 450 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Recommended user count per set | 4 people | |
| Standard warranty period | 5 years | |
| Seat support system fatigue life | 20000 load cycles | |
| Standard structural warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| External upholstery | Dark gray top-grain corrected leather (contact surfaces) with matching PU leather on non-contact side/rear panels | |
|---|---|---|
| Internal load-bearing frame | Kiln-dried solid hardwood + 15mm thick multilayer plywood frame | |
| Seat support system | 4mm thick sinuous steel springs with cross-wire bracing + 50mm thick elastic webbing layer | |
| Seat cushion padding | High-resilience polyurethane foam with 20mm thick soft down-feather top layer | |
| Backrest padding | Medium-density polyurethane foam + integrated molded lumbar support pad | |
| Armrest internal structure | Plywood core wrapped in high-density foam, rounded curved edge upholstered to match seat | |
| Base plinth | Upholstered low-profile plinth with internal 1.2mm thick steel rectangular tube reinforcement | |
| Feet/pads | Non-marking black plastic floor protection pads installed at base corners | |
| Decorative branding trim | Small polished metal brand badge embedded on armrest outer side | |
| Floor protection components | 5mm thick non-marking black polyethylene pads installed at all base corners, 50mm diameter each | |
| Seam construction | Nylon-bonded heavy-duty upholstery thread with double-stitched reinforced seams along all panel edges | |
| Decorative brand trim | 10mm wide polished chrome metal badge embedded on the outer lower edge of each armrest |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seating configuration | Fixed modular reception set, no recline or adjustable components | |
|---|---|---|
| Cleaning access | Fully upholstered smooth surface with no removable cushion covers, designed for wipe-clean maintenance | |
| Floor protection | Low-friction non-marking base pads allow gentle repositioning on hard stone or tile floors without scratching | |
| Lumbar support | Integrated fixed curved lumbar support section with extra padded cushion on each seat position | |
| Ergonomic posture support | Slightly angled backrest at 105 degrees from seat surface to support upright formal seating for meetings | |
| Stability design | Wide low-profile base distributes weight evenly, no rocking or tilt mechanism to prevent accidental movement during use | |
| Upholstery seam construction | Reinforced double stitching along all panel edges to prevent seam splitting under commercial use | |
| Set modularity | 3-seater and armchair can be placed separately or arranged in L-shaped or linear reception layouts per space planning | |
| Cleaning performance | Fully upholstered sealed smooth surface with no removable cushion covers, compatible with neutral leather cleaner for wipe-down maintenance | |
| Stability performance | 950mm wide low-profile plinth base distributes user weight evenly, no rocking or tilt function to prevent accidental movement during use | |
| Set layout flexibility | Free-standing 3-seater and armchair units can be arranged in linear, L-shaped or paired opposite layouts with no connecting hardware required | |
| Upholstery durability | Reinforced double stitching along all seam junctions resists splitting under repeated commercial use load, no loose thread fraying at edges |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 3-seater sofa packaged dimensions | 2450 x 1000 x 800 mm | |
|---|---|---|
| Single armchair packaged dimensions | 1250 x 1000 x 800 mm | |
| Total packaged gross weight per set | 210 kg | |
| Total shipment volume per set | 2.96 CBM | |
| On-site assembly time | 20 minutes | |
| 40HQ container loading quantity | 26 sets | |
| Total packaging carton count | 2 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
Data source: Recommended applications based on product form and category.
| Executive office reception areas | Ideal for C-suite and senior management office waiting zones, formal dark gray finish matches luxury executive interior design | |
|---|---|---|
| High-end corporate lobby waiting spaces | Suitable for premium corporate entry lobbies, low-profile elegant design projects a professional corporate image to visitors | |
| VIP meeting rooms | Appropriate for formal VIP meeting and boardroom ante-rooms, provides comfortable upright seating for short to medium duration meetings | |
| Luxury hotel business centers | Suitable for hotel executive lounges and business center reception areas, premium leather finish matches 5star hotel interior standards | |
| Presidential suite lounge areas | Can be used in high-end hotel suite living areas, coordinated design works with luxury coffee tables and side cabinets as shown in the reference scene | |
| Recommended matching furniture | Pairs with marble-top metal frame coffee tables, gold-accent side consoles, and low-pile luxury area rugs as shown in the visual layout | |
| VIP meeting room anterooms | Ideal for formal VIP meeting and boardroom waiting areas, 105-degree backrest angle maintains upright formal posture during pre-meeting waits | |
| High-end residential study lounge areas | Can be used in luxury home office or study lounge spaces, formal understated design matches premium residential interior decor |
EU Market Access Requirements* EN Standards
| EN 1335-2:2018 | Applicable standard for office seating structural safety, covers static load, durability, and stability requirements for non-task reception seating | |
|---|---|---|
| EN 1021-1:2014 | Applicable standard for upholstered furniture ignition resistance to smoldering cigarettes, required for public and commercial reception spaces | |
| EN 12520:2015 | Applicable standard for furniture strength, durability and safety for domestic and non-domestic seating, covers structural fatigue performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Applicable standard for lounge and public seating, specifies structural performance, load capacity, and durability requirements for reception sofas | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Applicable standard for furniture sustainability, sets criteria for material content, emissions, and end-of-life management for commercial seating |
Standards applicable to China-market projects
| GB 20400-2006 | Applicable standard for leather upholstery material, limits harmful substances in leather used for furniture contact surfaces | |
|---|---|---|
| GB/T 35607-2017 | Applicable standard for green product evaluation of furniture, sets low-VOC emission requirements for upholstered office furniture | |
| GB/T 3324-2017 | Applicable standard for wooden furniture general technical requirements, covers frame strength and dimensional stability for upholstered sofa frames | |
| GB 20286-2006 | Applicable standard for flame retardant performance of public place furniture, sets ignition resistance requirements for upholstered seating in commercial spaces |
This product must meet the following technical requirements: 1. GB 20400-2006: Applicable standard for leather upholstery material, limits harmful substances in leather used for furniture contact surfaces; 2. GB/T 35607-2017: Applicable standard for green product evaluation of furniture, sets low-VOC emission requirements for upholstered office furniture; 3. GB/T 3324-2017: Applicable standard for wooden furniture general technical requirements, covers frame strength and dimensional stability for upholstered sofa frames; 4. GB 20286-2006: Applicable standard for flame retardant performance of public place furniture, sets ignition resistance requirements for upholstered seating in commercial spaces; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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