| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1060 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 480 mm | |
| Seat height adjustment range | 600 mm | |
| Backrest height | 500 mm | |
| Armrest height above seat | 200 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 136 kg | |
|---|---|---|
| Net chair weight | 17 kg | |
| Gas lift static load rating | 150 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 40000 cycles | |
| Seat foam density (cushion) | 35 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Foam rebound rate | 45% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Outer structural shell | 12mm bent molded plywood with walnut veneer finish | |
|---|---|---|
| Seat and back upholstery | 1.2mm thick black PU faux leather | |
| Seat cushion padding | High-resilience polyurethane foam, 80mm thick | |
| Backrest padding | High-resilience polyurethane foam, 50mm thick | |
| Integrated armrests | Bent plywood shell structure with padded upholstered top surface | |
| Five-star base | 2mm thick chrome-plated polished steel | |
| Gas lift | Chromed steel Class 3 pneumatic cylinder | |
| Height adjustment lever | Black nylon-coated steel lever | |
| Casters | 50mm diameter black nylon twin-wheel universal casters | |
| Seat mechanism plate | 3mm thick steel tilt/height adjustment chassis | |
| 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
| 360-degree swivel rotation | Full rotation enabled by central swivel joint between seat and gas lift, no rotational lock | |
|---|---|---|
| Pneumatic seat height adjustment | 140mm vertical travel controlled by side lever under seat, adjusts to match 760 mm standard desk heights | |
| Rolling mobility | Five twin-wheel casters allow omnidirectional movement on hard floors and low-pile carpet | |
| Fixed arm support | Integrated wrap-around armrests provide 200mm high stable support at fixed position, no height or width adjustment | |
| Seat rocking function | 12-degree rear tilt range with adjustable tension, lockable in upright position | |
| Upholstery maintenance | Smooth non-porous PU leather surface allows wipe-cleaning with mild detergent, resistant to common office spills | |
| Stability design | Five-point base geometry meets office seating stability requirements to prevent tipping during normal use | |
| Color customization option | Available finish variants include walnut shell with black PU, walnut with genuine black leather, and alternate wood/color shells per OEM supplier offerings | |
| Gas lift stroke | 140 mm | |
| 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 packages | 1 | |
|---|---|---|
| Packing carton dimensions | 700 x 650 x 440 mm | |
| Gross weight per package | 20 kg | |
| Packaging volume (CBM) | 0.200 m³ | |
| Assembly time | 50 minutes | |
| 20ft container loading quantity | 132 units | |
| 40ft HQ container loading quantity | 330 units | |
| Packaging materials | 5-layer corrugated carton with EPS foam corner protection and polybag wrapping | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private office workstations | Mid-back support and professional walnut/black finish suit executive and individual work desks in corporate office environments | |
|---|---|---|
| Home office studies | Compact footprint and mid-century modern styling complement residential work spaces without overstatement | |
| Conference and meeting rooms | Fixed armrests and swivel function support multi-directional interaction during meetings, with formal appearance for boardroom settings | |
| Executive reception areas | Polished chrome base and walnut veneer create a refined first impression for client-facing spaces | |
| Co-working flexible spaces | Durable construction and rolling mobility support flexible desk sharing arrangements for rotating users | |
| Hotel business centers | Wipe-clean upholstery and robust hardware withstand frequent daily use by transient guests | |
| 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 | Office furniture - Office work chair - Part 1: Dimensions - Safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chair - Part 2: Safety requirements | |
| EN 1335-3:2018 | Office furniture - Office work chair - Part 3: Test methods |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office Chairs - Tests for general purpose office chairs |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Furniture - Tables, chairs and stools - Determination of dimensions | |
|---|---|---|
| GB/T 10357.3-2013 | Test of mechanical properties of furniture - Strength and durability of chairs and stools | |
| GB/T 16799-2008 | Polyurethane synthetic leather for furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Furniture - Tables, chairs and stools - Determination of dimensions; 2. GB/T 10357.3-2013: Test of mechanical properties of furniture - Strength and durability of chairs and stools; 3. GB/T 16799-2008: Polyurethane synthetic leather for furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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