| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 850 x 1200 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 540 mm | |
| Seat height (adjustable range max) | 570 mm | |
| Backrest height | 750 mm | |
| Headrest travel | 60 mm | |
| Retractable footrest extension | 420 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height from seat | 220 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 140 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
| Recommended maximum user weight | 227 kg | |
|---|---|---|
| Gas lift rated static load | 125 kg | |
| Five-star base static load capacity | 1136 kg | |
| Caster load per wheel | 150 kg | |
| Caster rolling durability | 100000 cycles | |
| Upholstery abrasion resistance | 200000 double rubs | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Foam rebound rate | 60% | |
| Warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick light grey PU leather | |
|---|---|---|
| Side accent panel | Brown woven textured fabric trim | |
| Cushion fill | Layered high-resilience cold-cure foam with spring support | |
| Internal frame | 2.0mm thick welded steel tube frame | |
| Armrest structure | Chrome-plated steel support with padded PU top | |
| Five-star base | 2.5mm thick polished chrome-plated steel | |
| Gas lift | Class 4 50mm diameter steel gas lift | |
| Caster material | Dual-wheel PU tread with PA housing | |
| Control hardware | Chrome-finished steel recline lever and electric switch panel | |
| Stitching | 8 stitches per 30mm seam pitch | |
| 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
| Electric recline function | 135° lockable recline from 90° upright position | |
|---|---|---|
| Seat height adjustment | 120mm vertical travel via Class 4 gas lift | |
| Retractable leg rest | 420mm slide-out extension from seat front | |
| 360° swivel rotation | Full rotation on central swivel mechanism | |
| Synchronized tilt mechanism | 3mm steel plate chassis with tension adjustment | |
| Linked armrest movement | Armrests tilt in sync with backrest recline | |
| Integrated headrest support | Fixed padded headrest aligned for neck support | |
| Smooth rolling mobility | Dual-wheel casters suitable for hard and carpeted floors | |
| Reclined seat-back total depth | 1270 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
| 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
| Executive private office | Suitable for manager or C-suite workspaces with premium aesthetic requirements | |
|---|---|---|
| Home office study | Fits luxury home office setups for long-duration seated work | |
| Conference room leadership seating | Appropriate for formal boardroom and high-level meeting spaces | |
| Reclining rest during work breaks | Supports short naps with extended footrest and reclined position | |
| Hard and soft floor surfaces | PU casters suitable for wood, tile, and low-pile carpet floors | |
| Long-duration daily use | Thick cushioning designed for 8+ hours of daily seated work | |
| 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 | Applies to office chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1022:2019 | Applies to chair stability testing for domestic and office seating | |
| EN 12520:2015 | Applies to furniture seating mechanical safety performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to office chair general purpose durability and load testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-duty big and tall office chair load requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and strength requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair back, seat, and armrest static load test methods | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and strength requirements; 2. GB/T 10357.3-2013: Applies to chair back, seat, and armrest static load test methods; 3. GB 18584-2001: Applies to formaldehyde emission limits for wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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