| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions | 700 W x 710 D x 1210H mm | |
|---|---|---|
| Seat size | 530 W x 550 D mm | |
| Seat height range | 540 mm | |
| Backrest height | 700 mm | |
| Backrest width | 520 mm at shoulder zone | |
| Integrated headrest zone | 500 W x 180 H mm | |
| Armrest top height from floor | 820 mm | |
| Armrest pad size | 110 W x 260 D x 70 H mm | |
| Seat cushion thickness | 100 mm | |
| Back cushion thickness | 80 mm | |
| Gas-lift exposed travel | 80 mm | |
| Five-star base tip-to-tip diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Minimum knee clearance under arm apron | 650 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
Data source: Product performance data; verify exact test conditions before procurement.
| Maximum user weight | 135 kg | |
|---|---|---|
| Chair net weight | 17.5 kg | |
| Recommended daily-use duration | 8 hours per user | |
| Foam density target | 32 kg/m3 | |
| Foam rebound target | 35% | |
| Seat static-load verification target | 135 kg working load with 2.0 safety factor | |
| Caster rolling durability target | 100,000 cycles | |
| Base static-load verification target | 1134 kg vertical static proof load | |
| Gas-lift durability target | 100,000 height-adjustment cycles | |
| Color options confirmed | 1 dark grey upholstery option |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Outer upholstery | Dark grey smooth PU leather over padded seat, back and armrests | |
|---|---|---|
| Seat padding | Molded polyurethane foam, 100 mm thick at front edge | |
| Back padding | Contoured polyurethane foam, 80 mm thick lumbar and shoulder padding | |
| Headrest padding | Integrated padded upper-back cushion with horizontal seam | |
| Armrests | Upholstered fixed block arms with soft top pads and rigid inner support | |
| Internal seat shell | 12 mm molded plywood or equivalent composite load board | |
| Back support frame | 20 mm tubular steel or bent plywood subframe inside upholstered back | |
| Center pedestal | 50 mm diameter steel gas-lift column with black outer sleeve | |
| Five-star base | Polished metal-look radial five-star base, 2.0 mm equivalent section thickness | |
| Casters | Five black twin-wheel swivel casters, 50 mm diameter | |
| Mechanism | Steel tilt-and-height mechanism under seat, 3.0 mm plate target | |
| Seam construction | Sewn PU panels with 80 mm seam pitch target |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Pneumatic seat-height adjustment | 80 mm lift travel from 460 to 540 mm using a lever under the seat | |
|---|---|---|
| Tilt function | Backward rocking movement with 15-degree maximum tilt target | |
| Tilt lock | Single-position upright lock target controlled by the under-seat lever | |
| Tilt tension control | User-adjustable knob target to match body weight and rocking resistance | |
| Fixed padded armrests | 820 mm floor-to-arm support height moving with the seat | |
| Rolling mobility | Five twin-wheel casters allow movement on hard floors and low-pile carpet | |
| Integrated head and neck support | Tall upper-back zone provides passive head/neck support without separate travel | |
| Recline limitation | 100-degree upright working angle to 115-degree relaxed tilt target | |
| Assembly requirement | Knock-down chair requiring base, casters, seat-back and arm hardware assembly | |
| 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
Data source: Reference for export quotations and container planning.
| Carton dimensions | 820 x 660 x 340 mm | |
|---|---|---|
| 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
Data source: Recommended applications based on product form and category.
| Private executive office | High-back support and padded arms suit long desk-based managerial work | |
|---|---|---|
| Home office study | Dark grey upholstery and compact 700 mm width suit a dedicated study desk | |
| Open-plan workstation | Swivel, casters and 540 mm seat height support movement between desk zones | |
| Meeting or video-call room | Formal upright appearance is suitable for individual seating at conference-height tables | |
| Hard-floor and low-pile environments | Twin-wheel casters are intended for wood, tile and low-pile carpeted floors | |
| User fit range | Suitable for users within the 135 kg load rating and 540 mm seat-height range | |
| 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 office furniture seating | Use dimensions and safety-clearance test method for the adjustable task chair | |
|---|---|---|
| EN 1335-2 office furniture seating | Require safety, stability and structural performance test evidence before bulk purchase | |
| EN 1335-3 office furniture seating | Use test methods for static load, fatigue, backrest and caster durability | |
| EN 1022 seating stability | Verify front, rear and side stability on the castered swivel base |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 office chairs | Use generic office-chair safety, stability, static load, fatigue and caster tests |
|---|
Standards applicable to China-market projects
| GB/T 10357.3 furniture strength | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 3324-2024 general technical furniture | Use for dimensions, workmanship, coating and structural inspection requirements | |
| GB/T 19995.2 ergonomic requirements | Use office-work chair seat, back, clearance and adjustability checks for user fit |
This product must meet the following technical requirements: 1. GB/T 10357.3 furniture strength: Applicable standards and test results require confirmation; 2. GB/T 3324-2024 general technical furniture: Use for dimensions, workmanship, coating and structural inspection requirements; 3. GB/T 19995.2 ergonomic requirements: Use office-work chair seat, back, clearance and adjustability checks for user fit; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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