| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1180 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 530 mm | |
| Backrest height | 760 mm | |
| Backrest width | 500 mm | |
| Armrest height from seat | 220 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 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
| Net chair weight | 22 kg | |
|---|---|---|
| Maximum recommended user weight | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Seam stitch pitch | 3 mm per stitch | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability | 100000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth dark grey PU leather | |
|---|---|---|
| Seat core | Molded high-resilience polyurethane foam | |
| Backrest core | Shaped high-resilience polyurethane foam | |
| Padded armrests | PU leather padded armrests with molded structural inner support | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| Tilt mechanism | Black powder-coated steel multi-function tilt chassis | |
| Five-star base | Polished chrome-plated steel five-star base | |
| Casters | Black nylon dual-wheel hard floor casters | |
| Internal back frame | 12 mm thick molded plywood inner support | |
| Upholstery stitching | Matching dark grey bonded polyester thread | |
| 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-side lever, 80 mm stroke to accommodate 95th percentile user heights | |
|---|---|---|
| Backrest tilt function | Synchro-tilt mechanism with 12 degree backward recline, lockable in upright position via side lever | |
| 360-degree swivel | Full 360 degree horizontal rotation enabled by central swivel joint between gas lift and mechanism | |
| Mobility function | Smooth rolling movement on all 5 dual-wheel casters, suitable for hard floor surfaces | |
| Integrated arm support | Fixed height padded armrests positioned to support forearm posture during seated work | |
| Lumbar support | Contoured middle back section provides built-in static lumbar support without adjustable pads | |
| Weight-activated tilt tension | Tilt resistance automatically adjusts to user weight to support controlled recline | |
| Upright position lock | Mechanism locks backrest in fully upright position for focused desk work | |
| 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 unit per carton | |
|---|---|---|
| Packed carton dimensions | 850 x 680 x 420 mm | |
| Gross shipping weight | 26 kg | |
| Shipping volume per unit | 0.243 CBM | |
| Required assembly time | 25 minutes | |
| 40ft HQ container loading quantity | 270 units | |
| 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 |
Recommended spaces / users / usage modes
| Private executive offices | High-back upholstered design provides professional appearance and full back support for senior management daily office use | |
|---|---|---|
| Corporate boardrooms | Polished chrome base and tailored upholstery matches formal meeting room furnishings for extended board sessions | |
| Private home offices | Padded design and smooth mobility support long duration work from home with executive styling suitable for residential workspaces | |
| Managerial workstations | Adjustable height and recline function provides ergonomic support for middle and senior managers at open plan or enclosed workstations | |
| Consulting and legal office spaces | Durable PU leather upholstery allows easy cleaning and professional presentation for client-facing work environments | |
| 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
| Applicable office seating safety standard | EN 1335:2020 | |
|---|---|---|
| Applicable office seating strength standard | EN 1335:2018 | |
| Applicable upholstery fire standard | EN 1021:2014 |
US and Canada office-furniture standards
| Applicable office chair standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Applicable caster standard | ANSI/BIFMA X2017Clause 11 | |
| Five-star base static load rating | 1136 kg |
Standards applicable to China-market projects
| Applicable seating safety standard | GB/T 3326 | |
|---|---|---|
| Applicable seating mechanical standard | GB/T 10357.3 | |
| Applicable upholstery safety standard | GB 20400 |
This product must meet the following technical requirements: 1. Applicable seating safety standard: GB/T 3326; 2. Applicable seating mechanical standard: GB/T 10357.3; 3. Applicable upholstery safety standard: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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