| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 680 x 700 x 1180 mm | |
|---|---|---|
| seat width | 520 mm | |
| seat depth | 500 mm | |
| seat height adjustment range | 420 to 520 mm | |
| backrest height | 760 mm | |
| backrest width | 510 mm | |
| armrest height above seat | 220 mm | |
| five-star base diameter | 700 mm | |
| caster diameter | 60 mm | |
| integrated headrest height | 180 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 | 23 kg | |
|---|---|---|
| maximum static user load | 150 kg | |
| seat foam density | 45 kg/m³ | |
| back foam density | 35 kg/m³ | |
| seat foam thickness | 80 mm | |
| upholstery abrasion resistance | 50000 Martindale cycles | |
| tilt lock angle range | 95 to 120 degrees | |
| caster rolling durability | 100000 cycles | |
| tilt lock maximum angle | 120 degrees | |
| backrest static load capacity | 78 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat and back upholstery | Top-grain black leather with matching stitching | |
|---|---|---|
| seat cushion core | High-density cold-cured polyurethane foam | |
| backrest internal frame | 15mm thick multi-layer plywood | |
| armrest structure | Polished die-cast aluminum frame with padded leather top surface | |
| central gas lift | Class 3 steel gas lift with chrome finish | |
| tilt mechanism chassis | 3mm thick cold-rolled steel with black powder coat | |
| five-star base | Polished die-cast aluminum | |
| casters | Dual-wheel nylon casters with polished chrome hub | |
| seam construction | Reinforced polyester stitching with 8 stitches per 30mm | |
| central swivel bearing | Carbon steel thrust ball bearing | |
| 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
| pneumatic seat height adjustment | Right-side lever actuates Class 3 gas lift to adjust seat height from 420mm to 520mm | |
|---|---|---|
| synchro-tilt recline | Mechanism tilts seat and back at 1:2.5 ratio, allowing back recline up to 120 degrees with balanced weight resistance | |
| tilt lock and tension adjustment | Left-side lever locks recline in upright position; rotary tension knob adjusts recline resistance to match user weight | |
| 360-degree swivel rotation | Full 360-degree horizontal rotation around central gas lift for easy desk access without standing | |
| fixed padded arm support | Rigid polished aluminum armrests with leather padded tops provide stable forearm support during typing and meetings | |
| smooth rolling mobility | Five dual-wheel casters allow low-effort movement across hard floors and low-pile carpet, with non-marking tread to prevent floor damage | |
| segmented ergonomic back support | Horizontally stitched segmented back provides targeted support for lumbar, mid-back, upper back, and cervical regions | |
| 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 | |
|---|---|---|
| shipping carton dimensions | 850 x 650 x 620 mm | |
| gross shipping weight | 27 kg | |
| shipping volume per unit | 0.342 CBM | |
| assembly time | 25 minutes | |
| 20ft container loading quantity | 82 units | |
| 40ft HQ container loading quantity | 202 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| executive private offices | Premium leather finish and high-back support provide professional appearance and all-day comfort for C-suite and senior management workspaces | |
|---|---|---|
| corporate boardrooms and meeting rooms | Polished aluminum and black leather aesthetic matches formal boardroom furniture, supports comfortable seating during long meetings | |
| professional consulting and client-facing spaces | Formal executive styling conveys professionalism, suitable for law firms, financial offices, and high-end consulting environments | |
| home office executive setups | Commercial-grade durability and ergonomic support works for dedicated high-end home offices for professionals working 8+ hours daily | |
| recommended desk pairing | Matches standard 760 mm height executive desks, L-shaped manager desks, and conference tables with 300 mm knee clearance under surface | |
| floor surface compatibility | Non-marking nylon casters are suitable for hardwood, tile, laminate, and low-pile commercial carpet; caster replacement recommended for high-pile carpet | |
| 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 chairs - Part 1: Dimensions, applies for verification of seat, back, and armrest dimensional suitability for adult users | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applies for structural stability, strength, and durability validation | |
| EN 1335-3:2018 | Office furniture - Office work chairs - Part 3: Test methods, applies for third-party structural and safety performance testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, applies for static load, durability, stability, and caster performance validation for commercial office use | |
|---|---|---|
| ANSI/BIFMA e3-2019 | Furniture sustainability standard, applies for optional material content, emissions, and social responsibility verification for LEED projects |
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to internal plywood back frame structural integrity and finish quality | |
|---|---|---|
| GB/T 19001-2016 | Quality management system requirement, recommended for supplier production consistency validation for commercial furniture orders | |
| GB 28007-2011 | General safety requirements for children's furniture does not apply; relevant requirement per GB/T 35607for office furniture volatile organic compound emissions applies for indoor air quality compliance | |
| GB/T 35607-2017 | Green product assessment - Furniture, applies for verification of volatile organic compound emissions for indoor air quality compliance in office spaces | |
| GB/T 39024-2020 | Office furniture - Office chairs, applies for domestic Chinese market structural safety, dimension and durability verification |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to internal plywood back frame structural integrity and finish quality; 2. GB/T 19001-2016: Quality management system requirement, recommended for supplier production consistency validation for commercial furniture orders; 3. GB 28007-2011: General safety requirements for children's furniture does not apply; relevant requirement per GB/T 35607for office furniture volatile organic compound emissions applies for indoor air quality compliance; 4. GB/T 35607-2017: Green product assessment - Furniture, applies for verification of volatile organic compound emissions for indoor air quality compliance in office spaces; 5. GB/T 39024-2020: Office furniture - Office chairs, applies for domestic Chinese market structural safety, dimension and durability verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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