| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall cluster footprint | 12000 x 8000 x 900 mm | |
|---|---|---|
| Single curved sofa module seat height | 420 mm | |
| Single curved sofa module total height | 900 mm | |
| Curved armless bench module length | 2400 mm | |
| Round ottoman diameter | 1200 mm | |
| Low coffee table height | 380 mm | |
| Small side table diameter | 450 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest cushion thickness | 100 mm | |
| Steel leg diameter | 25 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
| Per-seat static load capacity | 159 kg | |
|---|---|---|
| Fabric abrasion resistance | 40000 Martindale cycles | |
| Fabric pilling rating | 5 | |
| Dry rub color fastness rating | 5 | |
| Wet rub color fastness rating | 4 | |
| Total cluster seating capacity | 18 persons | |
| Foam density (seat cushions) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Net weight per curved sofa module | 68 kg | |
| Swivel chair rotation range | 360 degrees |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat/back internal frame | 18mm thick birch plywood | |
|---|---|---|
| Structural support frame | 1.5mm thick rectangular steel tubing | |
| Seat cushion padding | High-density polyurethane foam | |
| Back cushion padding | Medium-density polyurethane foam | |
| Upholstery fabric | 100% polyester commercial-grade woven fabric | |
| Leg finish | Polished chrome plating over steel | |
| Coffee/side table tops | 25mm thick MDF with matte laminate finish | |
| Swivel chair base | 4-star polished aluminum swivel mechanism | |
| Ottoman internal structure | Plywood frame with webbing support | |
| Modular connecting hardware | Zinc-plated steel connection brackets | |
| 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 | Interchangeable curved/linear modules connect via steel brackets | |
|---|---|---|
| Swivel chair function | 360-degree smooth rotation with return tension adjustment | |
| Seating orientation | All units face inward toward central table cluster | |
| Leg design | Angled splayed steel legs with non-marking floor glides | |
| Table arrangement | Nested low coffee and side tables cluster at central seating zone | |
| Ottoman use | Dual function as extra seating or footrest | |
| Cushion retention | Non-slip mesh bottom on loose cushions | |
| Assembly requirement | Leg/base attachment to pre-assembled upholstered bodies | |
| Floor protection | Hard plastic glides on all leg bases | |
| Swivel lounge chair overall dimensions | 570 x 750 x 1140 mm | |
| Swivel lounge chair seat dimensions | 475 x 520 x 470 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Total carton count | 24 cartons | |
|---|---|---|
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm | |
| Reference Packaged Gross Weight | 23 kg/set | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Corporate office atrium lobbies | Provides clustered informal seating for employee and visitor breaks and casual meetings | |
|---|---|---|
| Hotel public waiting areas | Offers flexible grouped seating for high-traffic guest lounge zones | |
| University campus common areas | Supports collaborative student gatherings and informal study sessions | |
| Co-working space breakout zones | Creates semi-private conversation clusters away from dedicated workstations | |
| Healthcare facility waiting lounges | Durable easy-clean upholstery suitable for daily high-volume public use | |
| Public exhibition/venue foyers | Modular layout adapts to different event seating configurations | |
| Airport premium lounge zones | Comfortable relaxed seating for extended passenger waiting periods | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 16139:2013 | Non-domestic seating strength/durability requirements for public lounge use | |
|---|---|---|
| EN 1022:2018 | Seating stability test standard for commercial non-residential furniture | |
| EN 13501-1:2018 | Fire classification of construction products, applicable for public area fabrics |
US and Canada office-furniture standards
| ANSI/BIFMA X5.4-2020 | Lounge seating durability and safety standard for public/commercial use | |
|---|---|---|
| ANSI/BIFMA X5.1-2017 | General office chairs safety standard, applicable to included swivel lounge chairs | |
| ANSI/BIFMA e3-2019 | Furniture sustainability standard for material emissions and corporate responsibility |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to plywood frame components | |
|---|---|---|
| GB 20400-2006 | Limit of harmful substances in leather and fur, applicable if leather upholstery is selected | |
| GB/T 19001-2016 | Quality management system guidance for commercial furniture production | |
| GB 50222-2017 | Interior decoration material fire safety code, applicable for public lobby installations |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood frame components; 2. GB 20400-2006: Limit of harmful substances in leather and fur, applicable if leather upholstery is selected; 3. GB/T 19001-2016: Quality management system guidance for commercial furniture production; 4. GB 50222-2017: Interior decoration material fire safety code, applicable for public lobby installations; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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