| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall footprint | 3800 x 2200 x 850 mm | |
|---|---|---|
| Seat height from floor | 420 mm | |
| Seat depth (usable) | 680 mm | |
| Seat cushion thickness | 220 mm | |
| Back cushion height | 480 mm | |
| Armrest height from floor | 620 mm | |
| Armrest width | 220 mm | |
| Curved corner section width | 1200 mm | |
| Support foot height | 30 mm | |
| Clearance under sofa base | 30 mm | |
| Back Cushion Thickness | 160 mm | |
| Leg Height / Floor Clearance | 160 mm |
Net weight / load capacity / users / durability
| Total product net weight | 180 kg | |
|---|---|---|
| Per-seat static load capacity | 150 kg | |
| Total seating capacity | 5 adults | |
| Seat foam density | 45 kg/m³ | |
| Back cushion foam density | 30 kg/m³ | |
| Fabric Martindale abrasion resistance | 30000 cycles | |
| Back cushion rebound rate | 60% | |
| Seat suspension durability | 25000 load cycles | |
| 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
| Outer upholstery fabric | Ivory textured woven boucle-style polyester blend fabric | |
|---|---|---|
| Seat cushion core | High-resilience polyurethane foam with wrapped polyester fiber layer | |
| Back cushion fill | Blend of high-resilience polyurethane foam and loose polyester fiber fill | |
| Internal load-bearing frame | Kiln-dried solid pine wood frame with reinforced plywood corner blocks | |
| Suspension system | Zigzag sinuous steel spring seat support with elastic webbing layer | |
| Armrest structure | Solid wood inner frame wrapped in foam and outer upholstery | |
| Support feet | Polished matte black metal low-profile block feet | |
| Included throw pillows | 5 matching fabric-covered pillows with polyester fiber fill | |
| Seam construction | Precision stitched seams with 8 stitches per 30mm pitch | |
| Seat suspension system | 3.8mm gauge zigzag sinuous steel spring seat support spaced 100mm apart, with 50mm wide elastic webbing cross layer | |
| Base upholstery panel | Black non-woven fabric dust cover stapled to the underside of the sofa frame, blocks dust and conceals internal components | |
| Timber Frame Section / Moisture | Primary section ≥30 × 50 mm; recommended moisture 12% |
Adjustment / rotation / tilt / mobility / storage features
| Modular section configuration | Three connected sections (left straight, central curved, right straight) forming a wide curved seating arrangement | |
|---|---|---|
| Cushion design | Loose, removable seat and back cushions for easy cleaning and rotation | |
| Seating support | Sinuous spring suspension combined with foam fill to distribute body weight evenly and reduce pressure points | |
| Floor clearance feature | 30mm open gap under sofa base allows robotic vacuum cleaners and manual cleaning tools to access under the unit | |
| Configuration limitation | Non-reclining fixed-back design with no adjustable headrests or built-in storage, optimized for open social seating layouts | |
| Modular reconfigurability | Sections are secured with metal connecting brackets under the base, allowing reconfiguration to straight or alternative curved layouts if required | |
| Modular section assembly | Three connected sections (left straight, central curved, right straight) secured with under-base metal latch brackets, shipped as separate units for on-site assembly with no specialized tools required | |
| Cushion maintenance design | Loose, non-fixed seat and back cushions with removable fabric covers via hidden zippers, allowing individual cleaning, rotation and replacement | |
| Weight distribution support | Sinuous spring and elastic webbing suspension combined with layered foam fill distributes occupant weight evenly across the seat surface, eliminating pressure points during extended seating | |
| Floor cleaning access | 30mm open gap under sofa base allows standard robotic vacuum cleaners (up to 28mm height) and manual cleaning tools to access under the unit without moving the sofa | |
| Fixed configuration design | Non-reclining fixed-back design with no adjustable headrests, no built-in storage and no pull-out sleep function, optimized for open social seating layouts | |
| Section reconfigurability | Under-base connecting brackets allow sections to be reconfigured into a straight linear sofa or alternative curved layouts if additional compatible modular sections are purchased |
Verified carton / gross weight / assembly / loading data
| Carton count | 3 cartons | |
|---|---|---|
| Largest carton dimensions | 1400 x 1000 x 750 mm | |
| Total gross shipping weight | 210 kg | |
| Total shipping volume | 2.63 m³ | |
| On-site assembly time | 50 minutes | |
| 40ft HQ container loading quantity | 38 units | |
| 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 |
Recommended spaces / users / usage modes
| Large open-plan living rooms | Suitable for spacious residential living areas 40m² and above, the wide curved profile creates a central social seating focal point for family gatherings | |
|---|---|---|
| High-end residential show homes | Neutral ivory finish and minimalist rounded design fits modern, wabi-sabi and contemporary interior styling for property display spaces | |
| Lounge areas in boutique offices or private studios | Provides informal, comfortable breakout seating for creative workspaces where relaxed client meetings or team discussions are held | |
| Recommended pairing | Matches with low-profile round coffee tables and soft textured area rugs, as seen in the product display, to create a warm cohesive seating zone | |
| Seating use case | Accommodates up to 5 adults comfortably for extended conversation, media viewing or casual relaxation with full back and arm support | |
| Cleaning suitability | Removable loose cushions make routine vacuuming and spot cleaning straightforward for households with children or pets using fabric care products | |
| Large open-plan residential living rooms | Suitable for living areas 40m² and above, the wide curved profile creates a central social seating focal point for family gatherings and daily media viewing | |
| High-end residential show homes and model units | Neutral ivory finish and minimalist rounded design complements modern, wabi-sabi and contemporary interior styling for property display spaces |
European market access and chemical requirements
| EN 12520:2015 | Applicable to domestic furniture seating strength, durability and safety requirements, including static load, fatigue and impact testing for residential sofas | |
|---|---|---|
| EN 1021-1:2014 | Applicable to upholstered furniture ignitability assessment for smouldering cigarette ignition resistance, recommended for residential indoor safety |
US and Canada office-furniture standards
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable to general technical requirements for wooden furniture, covering frame structural strength, dimensional tolerance and surface finish quality for residential sofa frames | |
|---|---|---|
| GB 18401-2010 | Applicable to national safety technical code for textile products, requires formaldehyde, pH and colorfastness testing for all upholstery fabrics in Class B direct skin contact category | |
| GB/T 1952.1-2012 | Applicable to upholstered furniture sofas, covering seat durability, backrest strength, armrest load and overall structural stability testing requirements for residential use |
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable to general technical requirements for wooden furniture, covering frame structural strength, dimensional tolerance and surface finish quality for residential sofa frames; 2. GB 18401-2010: Applicable to national safety technical code for textile products, requires formaldehyde, pH and colorfastness testing for all upholstery fabrics in Class B direct skin contact category; 3. GB/T 1952.1-2012: Applicable to upholstered furniture sofas, covering seat durability, backrest strength, armrest load and overall structural stability testing requirements for residential use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Open Export ToolThe Contemporary Curved 5-Seat Modular Upholstered Sectional Sofa is defined by its soft, flowing curved profile constructed from three connected segments: two straight end sections flanking a central curved corner, forming a wide, inviting social seating layout with rounded, bulbous armrests on both ends for a polished contemporary silhouette. It features plush, pillow-style back cushions and thick, rounded seat cushions upholstered in ivory boucle-style woven fabric with a soft matte textured finish, resting on low-profile polished matte black metal block feet that create a narrow, consistent gap between the sofa base and floor. Five matching fabric-covered throw pillows are included to complement the upholstered profile, with evenly stitched seams across all cushion and base panels for a refined finished look. The sofa is built on a kiln-dried solid pine wood frame reinforced with plywood corner blocks, supported by a zigzag sinuous steel spring suspension paired with a cross layer of elastic webbing. Seat cushions hold high-resilience polyurethane foam wrapped in a polyester fiber layer, while back cushions use a blend of high-resilience polyurethane foam and loose polyester fiber fill for balanced softness and support. A black non-woven fabric dust cover lines the underside of the frame to block dust and conceal internal components. Practical design features support long-term residential use: loose, removable seat and back cushions are fitted with hidden zippers for easy cover removal, cleaning, rotation, or replacement. The under-base gap provides access for robotic vacuums and manual cleaning tools without requiring the sofa to be moved. The three modular sections connect via under-base metal latch brackets, allowing reconfiguration into a straight linear layout or alternative curved arrangements when compatible add-on sections are purchased, with assembly completed on site without specialized tools. It has a fixed, non-reclining back with no adjustable headrests, built-in storage, or pull-out sleep function, optimized for open, face-to-face social interaction. This sofa is well suited for large open-plan residential living spaces of 40m² and above, where its curved profile acts as a central focal point for family gatherings and media viewing. It also complements high-end residential show homes and model units, pairing seamlessly with modern, wabi-sabi, and contemporary interior schemes, and serves as comfortable informal breakout seating for boutique office lounges or private creative studios for casual client meetings and team discussions. It pairs naturally with low-profile round coffee tables and soft textured area rugs to build a cohesive, warm seating zone. For procurement, note that multiple listed dimensional, weight, and construction specifications are preliminary engineering s rather than supplier-measured values, requiring confirmation against official supplier bills of materials and product data prior to final order placement. Logistics s note that sections ship in separate heavy-duty cartons for easier transport and access to installation sites, with on-site assembly requiring two people. The fabric’s abrasion rating supports heavy residential daily use, making it appropriate for high-traffic living areas, including households with children or pets where routine spot cleaning and vacuuming of upholstered surfaces is common.
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