| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x adjustable H) | 730 x 720 x 1280 mm | |
|---|---|---|
| Adjustable seat height range (floor to seat top) | 520 mm | |
| Seat usable width | 550 mm | |
| Seat usable depth | 530 mm | |
| Total backrest height (seat top to back crown) | 800 mm | |
| Backrest maximum width | 530 mm | |
| Five-star base caster-to-caster diameter | 700 mm | |
| Armrest height (seat top to arm pad top) | 230 mm | |
| Caster wheel diameter | 50 mm | |
| Seat foam padding thickness | 100 mm | |
| Backrest foam padding thickness | 80 mm | |
| Gas lift adjustable stroke length | 100 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 (chair assembled) | 26 kg | |
|---|---|---|
| Maximum recommended user weight capacity | 300 kg | |
| Seat static load rating | 1300 N | |
| Backrest static load rating | 560 N | |
| Armrest vertical static load rating | 800 N | |
| Caster rated rolling durability cycles | 300000 cycles | |
| Seat foam density | 60 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Foam rebound rate | 40% | |
| Foam compression set rate | 6% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | 1.5mm top-grain cowhide, stain and moisture resistant | |
|---|---|---|
| Seat internal support liner | 12mm E1-grade bent plywood, low formaldehyde emission | |
| Armrests | Carved solid red oak wood with polished clear lacquer finish | |
| Five-star base | Solid hardwood five-prong construction with polished lacquer | |
| Seat cushion padding | Molded high-resilience polyurethane foam | |
| Backrest padding | High-density polyurethane foam with vertical channel stitching | |
| Upholstery stitching | Bonded nylon thread with 8mm seam pitch | |
| Gas lift cylinder | Chrome-plated steel Class 3 BIFMA-rated pneumatic cylinder | |
| Tilt mechanism | 3mm thick steel plate synchro-tilt chassis with tension control | |
| Caster wheels | 50mm diameter PU tread with nylon hub, dual-wheel design | |
| Hardware fasteners | Zinc-plated rust-resistant steel bolts and connectors | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Swivel function | 360° full rotation around central gas lift axis, no rotational stops | |
|---|---|---|
| Height adjustment | Pneumatic lever-operated adjustment with 100mm stroke, sets seat to desk height | |
| Tilt/recline function | Synchro tilt with up to 15° backward recline, infinite position locking | |
| Tilt tension adjustment | Rotary knob adjusts recline resistance to match user weight | |
| Rolling mobility | Five dual-wheel casters for smooth movement on hard floors and low-pile carpet | |
| Ergonomic support | Contoured high back provides full head, neck and lumbar support for long work sessions | |
| Fixed armrest support | Carved wood armrests provide stable forearm support at fixed ergonomic height | |
| Recline lock | Locking mechanism secures backrest in upright or selected 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 office | Formal high-back design for manager/CEO private offices requiring premium traditional styling | |
|---|---|---|
| Boardroom meeting rooms | Polished wood trim and leather upholstery suit formal boardroom seating for long meetings | |
| Home office premium workspace | Elegant two-tone finish fits traditional home office decor for remote executive work | |
| Government/state-owned enterprise offices | Formal black/brown leather and wood construction meets procurement requirements for official spaces | |
| VIP reception rooms | Premium leather and carved wood detail create professional welcoming seating for important guests | |
| 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 for office work seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair stability, durability and safety performance testing | |
| EN 1021-1:2014 | Applies to upholstered furniture resistance to ignition by smouldering cigarette |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance requirements | |
|---|---|---|
| Gas lift rated lift cycles | 300000 cycles |
Standards applicable to China-market projects
| GB 18584-2001 | Applies to formaldehyde emission limits for wood-based furniture components for indoor use | |
|---|---|---|
| GB/T 16799-2008 | Applies to performance requirements for leather upholstery used in furniture |
This product must meet the following technical requirements: 1. GB 18584-2001: Applies to formaldehyde emission limits for wood-based furniture components for indoor use; 2. GB/T 16799-2008: Applies to performance requirements for leather upholstery used in furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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