| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall chair dimensions | 840 x 890 x 890 mm | |
|---|---|---|
| Seat height from floor | 380 mm | |
| Seat width | 560 mm | |
| Seat depth | 530 mm | |
| Backrest height | 560 mm | |
| Ottoman overall dimensions | 630 x 530 x 420 mm | |
| Ottoman top height from floor | 420 mm | |
| Four-star base span | 700 mm | |
| Armrest height from seat surface | 150 mm | |
| Plywood shell thickness | 18 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
| Chair total net weight | 28 kg | |
|---|---|---|
| Chair static seat load capacity | 150 kg | |
| Recommended user body height | 1900 mm | |
| Swivel rotation durability | 30000 cycles | |
| Seat cushion indentation load deflection | 40 kg/m³ | |
| Maximum suitable user body height | 1900 mm | |
| Seat cushion foam density | 40 kg/m³ | |
| Back cushion foam density | 35 kg/m³ | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer shell | Walnut veneer laminated bent plywood | |
|---|---|---|
| Seat and back cushions | Dark grey PU leather upholstery over high-resilience polyurethane foam | |
| Cushion padding thickness | 80 mm | |
| Chair base frame | 2.5mm thick black powder-coated steel four-star frame | |
| Ottoman base frame | 2.0mm thick black powder-coated steel four-star frame | |
| Side support brackets | 12mm diameter black powder-coated steel brackets | |
| Base floor glides | Nylon non-marking glide pads | |
| Upholstery seam pitch | 30 mm | |
| Outer structural shell | Walnut veneer laminated bent plywood | |
| Seat and back cushion padding | High-resilience polyurethane foam core | |
| Seat and back upholstery | Dark grey top-grain leather match over foam | |
| Shell support brackets | 12mm diameter black powder-coated steel brackets |
Adjustment / rotation / tilt / mobility / storage features
| Chair swivel function | 360-degree horizontal rotation around central axis | |
|---|---|---|
| Fixed reclined backrest angle | 115 degrees from horizontal | |
| Ottoman leg rest function | Freestanding padded foot support placed in front of chair for full leg elevation | |
| No height adjustment function | Fixed seat height without gas lift | |
| Cushion attachment | Secured with hidden fasteners to plywood shell | |
| Non-tilting base design | Fixed static base without rocking or tilt mechanism | |
| Fixed seat height | 380 mm fixed seat height without height adjustment | |
| Cushion retention | Hidden steel fasteners secure cushions to plywood shell | |
| Non-rocking base design | Fixed static base without rocking or tilt mechanism | |
| Non-marking floor protection | Integrated nylon glides on all base leg ends | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 2 | |
|---|---|---|
| Chair shipping carton dimensions | 880 x 930 x 700 mm | |
| Ottoman shipping carton dimensions | 670 x 570 x 460 mm | |
| Total shipping gross weight | 47 kg | |
| Total shipment volume | 0.75 CBM | |
| Assembly time requirement | 20 minutes | |
| 20ft GP container loading quantity | 72 sets | |
| 40ft HQ container loading quantity | 178 sets | |
| On-site assembly time | 20 minutes | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Residential living room placement | Ideal for living room lounge areas, providing premium relaxed seating for reading, media viewing or leisure | |
|---|---|---|
| Executive office lounge use | Suitable for private office reception or break areas, providing comfortable guest seating for informal meetings | |
| Hotel suite and lobby application | Appropriate for boutique hotel guest rooms and premium lobby lounge zones, matching high-end contemporary interior design | |
| Studio and creative workspace use | Suitable for design studios or creative offices as informal seating for breaks or casual collaboration | |
| Matching ottoman use case | Ottoman allows full leg elevation to reduce lower back pressure during extended seating | |
| Residential home study placement | Suitable for home study or reading nooks, providing dedicated relaxed seating for extended reading or screen viewing | |
| 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 12520:2015 | Furniture - Strength, durability and safety for domestic seating, applicable for structural performance validation | |
|---|---|---|
| EN 1022:2018 | Furniture - Seating - Determination of stability, applicable to swivel chair and ottoman stability testing | |
| EN 13722:2004 | Furniture - Upholstered furniture - Test methods for foam durability, applicable to seat cushion performance validation |
US and Canada office-furniture standards
| North America procurement and testing reference | ANSI/BIFMA X5.4 Public and Lounge Seating |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to plywood shell structural inspection | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances in wood furniture, mandatory requirement for formaldehyde emission from plywood components | |
| GB/T 16799-2008 | Technical specification for furniture used leather, applicable if PU or genuine leather upholstery is specified |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to plywood shell structural inspection; 2. GB 18584-2001: Limit of harmful substances in wood furniture, mandatory requirement for formaldehyde emission from plywood components; 3. GB/T 16799-2008: Technical specification for furniture used leather, applicable if PU or genuine leather upholstery is specified; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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