| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 670 x 700 x 1180 mm | |
|---|---|---|
| Seat height adjustment range (top of seat to floor) | 420 mm to 520 mm | |
| Seat width (between side trim edges) | 510 mm | |
| Seat depth (front edge to backrest junction) | 480 mm | |
| Backrest total height (seat surface to top of back) | 700 mm | |
| Backrest width at widest point | 520 mm | |
| Five-star base leg radius (center stem to caster pivot) | 350 mm | |
| Seat edge thickness at front perimeter | 80 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
| Maximum recommended user weight capacity | 136 kg | |
|---|---|---|
| Net product weight (fully assembled) | 19 kg | |
| Tilt mechanism static load rating | 159 kg | |
| Caster rolling durability cycle rating | 100000 cycles | |
| Seat foam indentation load deflection (ILD) | 45 | |
| Back foam indentation load deflection (ILD) | 40 | |
| Caster static load per wheel | 32 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick beige polyurethane (PU) leather, twin-needle stitched along contoured panel seams | |
|---|---|---|
| Outer shell trim | White rigid molded ABS edge trim wrapping seat and back perimeter | |
| Seat cushion core | 50mm thick high-resilience cold-cure polyurethane foam, density 40kg/m³ | |
| Backrest cushion core | 40mm thick high-resilience polyurethane foam, density 35kg/m³ | |
| Five-star base | Polished die-cast aluminum alloy, 2mm wall thickness, chrome-plated mirror finish | |
| Height adjustment gas lift | Class 3 carbon steel gas lift, 50mm outer diameter, 100mm stroke, chrome-plated finish | |
| Tilt and height control mechanism | 3mm thick cold-rolled steel plate, black powder-coat finish, with two adjustable control levers | |
| Casters | 60mm diameter dual-wheel nylon casters, black rolling surface with blue decorative accent rings | |
| Inner support shell | 12mm thick molded polypropylene structural shell under upholstered foam layers | |
| Frame weld points | TIG-welded steel connection points between mechanism and seat shell with anti-rust phosphate pretreatment | |
| 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
| Seat height adjustment | Pneumatic height adjustment via right-hand lever, 100mm vertical travel, locks securely at any selected height | |
|---|---|---|
| Backrest tilt function | Synchronized tilt with seat, 12 degree maximum backward recline, lockable in upright position via left-hand control lever | |
| 360-degree swivel rotation | Full continuous 360 degree rotation around central gas lift axis, no rotation stops | |
| Mobility function | Smooth rolling on hard floors and low-pile carpet via dual-wheel casters, no brake engagement for free movement during use | |
| Back support design | Two-section contoured high back with integral lumbar curve, fixed shape without adjustable lumbar pad | |
| Tilt tension adjustment | Rotary tension knob under seat adjusts recline resistance from 40Nm to 90Nm to match user body weight | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | |
| Rotation / Mobility Configuration | 360° swivel with 5-caster multidirectional movement |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton outer dimensions (L x W x H) | 880 x 660 x 570 mm | |
| Gross shipping weight per carton | 23 kg | |
| Shipping volume (CBM) per unit | 0.33 cbm | |
| assembly time for single person | 25 minutes | |
| 20ft GP container loading quantity (full capacity) | 182 units | |
| 40ft HQ container loading quantity (full capacity) | 448 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
| Private executive office spaces | Suitable for manager and executive private offices, with modern minimalist aesthetic matching professional executive desk configurations | |
|---|---|---|
| Open plan office meeting and touchdown zones | Appropriate for conference rooms, client meeting areas and casual touchdown workspaces with premium, professional appearance | |
| Home office premium workspaces | Fits residential home office setups, with neutral beige finish coordinating with both modern and classic home interior designs | |
| Reception and visitor waiting areas | Suitable for high-end reception seating behind front desks, providing mobile, comfortable seating for reception staff | |
| Daily 8-hour commercial office use | Rated for full-time daily office use by staff up to 136kg, with durable PU upholstery resistant to regular wear from frequent use | |
| 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 1335-1:2020 | Applicable standard for office chair dimensional, safety, and strength requirements for commercial office workspace use | |
|---|---|---|
| EN 1022:2018 | Applicable standard for seating stability verification for office chairs without footrests | |
| EN 1728:2014 | Applicable standard for furniture seating strength and durability test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chair performance, durability, and structural safety requirements for commercial installations | |
|---|---|---|
| Five-star base static vertical load rating | 1134 kg |
Standards applicable to China-market projects
| GB/T 35607-2017 | Applicable standard for restricted harmful substance limits in furniture upholstery materials for indoor use | |
|---|---|---|
| GB/T 3326-2016 | Applicable standard for furniture dimensional tolerance requirements for office seating |
This product must meet the following technical requirements: 1. GB/T 35607-2017: Applicable standard for restricted harmful substance limits in furniture upholstery materials for indoor use; 2. GB/T 3326-2016: Applicable standard for furniture dimensional tolerance requirements for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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