| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| 3-seater sofa overall dimensions | 1900 x 780 x 720 mm | |
|---|---|---|
| Single armchair overall dimensions | 780 x 780 x 720 mm | |
| Seat height from floor | 420 mm | |
| Seat depth per position | 580 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest height above seat | 300 mm | |
| Armrest height from floor | 600 mm | |
| Tubular steel frame diameter | 25 mm | |
| Floor clearance under sofa base | 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
| Total set net weight | 145 kg | |
|---|---|---|
| Single seat static load capacity | 150 kg | |
| Foam density (seat cushions) | 45 kg/m³ | |
| Foam density (backrest cushions) | 35 kg/m³ | |
| Foam rebound rate | 40% | |
| Seam stitching pitch | 8 stitches per 30mm | |
| Frame static load rating (per chair) | 300 kg | |
| Recommended maximum daily usage per seat | 8 hours/day | |
| Surface abrasion resistance (upholstery) | 50000 rub cycles | |
| Standard warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery material | Black polyurethane (PU) faux leather | |
|---|---|---|
| Seat cushion padding | High-density polyurethane foam, wrapped with polyester fiber top layer | |
| Backrest padding | Medium-density polyurethane foam | |
| Structural frame | Polished chrome-plated cold-rolled steel tubing, 1.5mm wall thickness | |
| Internal support structure | 12mm thick plywood panel base under seat cushions | |
| Frame foot glides | Injection-molded nylon non-marking glides | |
| Armrest padding | High-density foam wrapped in matching PU upholstery, mounted over steel frame | |
| Upholstery stitching | High-tenacity polyester bonded thread | |
| Frame surface finish | Mirror polished chrome plating, 0.08mm plating thickness | |
| Available upholstery color options | 3 standard colors (black, dark brown, light grey) | |
| 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
| Seating configuration | Fixed modular set, no recline or adjustment mechanisms | |
|---|---|---|
| Floor protection | Nylon glides on all frame feet distribute weight evenly, prevent scratching hard tile, wood or vinyl flooring | |
| Cleaning accessibility | 120mm floor clearance allows full access under units for routine floor cleaning | |
| Structural rigidity | Continuous welded tubular steel frame forms a rigid exoskeleton, eliminating wobble during normal use | |
| Upholstery maintenance | Smooth non-porous PU surface can be wiped clean with mild disinfectant, suitable for high-touch public office areas | |
| Assembly requirement | Knock-down delivery, frame sections attach with included M8 hex bolts, no specialized tools required | |
| Arrangement flexibility | Individual units can be arranged in linear, L-shape or separate cluster layouts to fit different reception space footprints | |
| Cushion security | Cushions are fixed to the internal frame with hook-and-loop fasteners to prevent shifting during use | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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 cartons per full set | 3 cartons | |
|---|---|---|
| 3-seater sofa carton dimensions | 1950 x 830 x 450 mm | |
| Single armchair carton dimensions | 830 x 830 x 450 mm | |
| Total set gross shipping weight | 165 kg | |
| Total shipping volume per set | 1.35 CBM | |
| On-site assembly time | 40 minutes | |
| 40ft HQ container loading quantity | 72 sets | |
| Inner packaging material | PE plastic wrap, 5mm EPE foam corner protection, 5-layer double-wall corrugated carton | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Corporate office reception areas | Formal structured design creates a professional first impression for visitors, durable materials withstand daily visitor traffic | |
|---|---|---|
| Executive office waiting zones | Coordinated 3-piece set provides cohesive seating outside private executive offices, matching formal office decor | |
| Small business lobby spaces | Compact footprint fits lobbies with limited square footage, 5-person capacity meets small team visitor needs | |
| Conference room auxiliary seating | Single chairs can be positioned near conference tables for additional breakout seating during meetings | |
| Public service customer waiting areas | Wipe-clean upholstery supports regular sanitization in high-touch customer-facing spaces | |
| Co-working space common areas | Neutral black finish and durable construction suit flexible shared work environments with rotating users | |
| 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 13759:2012 | Domestic and non-domestic furniture - Seating - Test methods for strength and durability, applicable for structural performance acceptance | |
|---|---|---|
| EN 1022:2018 | Domestic and non-domestic furniture - Seating - Determination of stability, applicable for anti-tip stability requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2021 | Lounge and Public Seating - Tests for safety, durability, and structural adequacy, recommended performance benchmark for commercial office reception use |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood support structure quality and finish standards | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable to formaldehyde emission limits for internal panels | |
| GB/T 16799-2008 | Polyurethane leather, applicable to upholstery material performance and safety requirements | |
| GB/T 35607-2017 | Green product assessment - Furniture, applicable for low-VOC material selection guidance for procurement |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood support structure quality and finish standards; 2. GB 18584-2001: Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture, applicable to formaldehyde emission limits for internal panels; 3. GB/T 16799-2008: Polyurethane leather, applicable to upholstery material performance and safety requirements; 4. GB/T 35607-2017: Green product assessment - Furniture, applicable for low-VOC material selection guidance for procurement; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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