| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 660 x 750 x 1270 mm | |
|---|---|---|
| Seat height adjustment range | 430 to 520 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 780 mm | |
| Headrest height | 180 mm | |
| Footrest maximum extension | 420 mm | |
| Five-star base radius | 350 mm | |
| Armrest height from seat | 220 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
| Net weight | 26 kg | |
|---|---|---|
| Maximum recommended static load | 150 kg | |
| Recline angle range | 90 to 135 degrees | |
| Gas lift stroke | 120 mm | |
| Tilt mechanism static load rating | 136 kg | |
| Warranty period | 3 years | |
| 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 | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick black PU faux leather | |
|---|---|---|
| Backrest decorative panel | Brown textured PVC inlay with Y-shaped stitching | |
| Internal seat/back frame | 15mm thick plywood with steel reinforcement | |
| Seat and back padding | 40kg/m³ high-density polyurethane foam | |
| Armrest structure | Padded PU top with chrome-plated steel trim | |
| Five-star base | 1.8mm thick chrome-plated steel tube | |
| Gas lift cylinder | Class 4 chrome-plated steel, 50mm outer diameter | |
| Casters | 60mm diameter PU tread wheels with black PP housing and chrome accent ring | |
| Recline control hardware | Chrome-plated steel lever and locking mechanism | |
| Retractable footrest | Steel support frame with PU-padded cushion top | |
| Seat underside mechanism plate | 3mm thick steel tilt chassis | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central gas lift and base assembly | |
|---|---|---|
| Pneumatic seat height adjustment | Adjusts via under-seat lever across 90mm travel | |
| Backrest recline locking | Locks at infinite positions between 90 and 135 degrees via armrest lever | |
| Tilt tension adjustment | Knob-adjustable tension to match user weight for recline resistance | |
| Retractable padded footrest | Slides out 420mm from under seat for reclined leg support | |
| Smooth rolling mobility | Dual-wheel casters roll on hard floors and low-pile carpet without scratching | |
| Fixed arm support | Padded armrests provide stable forearm support at desk working height | |
| Integrated head support | Contoured padded headrest supports neck in both upright and reclined positions | |
| 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 offices | Fits formal manager/director workspaces requiring professional aesthetic and recline comfort | |
|---|---|---|
| Open plan management workstations | Swivel and mobility features suit daily desk work and quick recline breaks during long shifts | |
| Conference room seating for senior staff | Premium padded design provides comfort during long multi-hour meetings | |
| High-end home offices | Commercial-grade durability and recline function suit home executive workspaces | |
| 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 and safety performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability test requirements | |
| EN 1022:2018 | Applies to seating stability determination for domestic and contract use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair strength, durability and stability standards | |
|---|---|---|
| Caster rolling durability | 40000 cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimensional tolerance and stability requirements for chairs | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for wooden furniture frame components | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden furniture with upholstery |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimensional tolerance and stability requirements for chairs; 2. GB/T 3324-2017: Applies to general technical requirements for wooden furniture frame components; 3. GB 18584-2001: Applies to limit of harmful substances in wooden furniture with upholstery; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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