| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 650 x 680 x 1080mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 520mm | |
| Backrest height (seat surface to top of back) | 580 mm | |
| Backrest width (at widest point) | 500 mm | |
| Armrest height (seat surface to arm top) | 210 mm | |
| 5-star base diameter | 660 mm | |
| Caster wheel diameter | 60 mm | |
| Minimum knee clearance under seat at lowest height | 260 mm | |
| Seat width (usable) | 520mm | |
| Seat depth (usable) | 500mm | |
| Backrest height (seat surface to top edge) | 580mm | |
| Backrest width (widest point) | 500mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm |
Net weight / load capacity / users / durability
| Product net weight | 22kg | |
|---|---|---|
| Maximum recommended user weight | 120 kg | |
| Gas lift rated cycle life | 100000 height adjustments minimum | |
| Caster rolling durability | 100000 rolling cycles minimum | |
| Seat cushion foam density | 50kg/m³ | |
| Backrest foam density | 40kg/m³ | |
| Maximum recommended static user weight | 120kg | |
| Seat foam indentation load deflection (ILD) | 45±5 for seat core, 35±5 for backrest core | |
| Seat cushion rebound rate | ≥60% | |
| Tilt mechanism cycle life | ≥30,000 full recline cycles without loosening or lock failure |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth beige upholstery, either top-grain genuine leather or commercial-grade polyurethane (PU) faux leather, stitched seam construction | |
|---|---|---|
| Seat cushion core | High-resilience molded polyurethane foam, thickness 100mm | |
| Backrest cushion core | High-resilience molded polyurethane foam, thickness 80mm | |
| Armrest structure | Padded upholstered arm tops with polished chrome-plated decorative trim, curved carbon-fiber pattern black structural arm supports | |
| Seat/tilt mechanism | 3mm thick stamped steel multi-lock tilt chassis, black powder-coated finish | |
| 5-star base | Polished die-cast aluminum alloy, 3mm minimum wall thickness, bright polished finish | |
| Caster wheels | 60mm diameter dual-wheel black PU casters with chrome decorative rim, universal grip-neck fitting for standard base sockets | |
| Upholstery abrasion resistance | ≥50000 Martindale cycles | |
| Internal seat/back support frame | 1.5mm thick shaped plywood or welded steel frame embedded within foam, providing structural shape retention | |
| Armrest assembly | Padded upholstered arm tops matching seat/back material, with 10mm wide polished chrome-plated steel accent strip along top edge, curved carbon-fiber textured ABS structural supports bolted to seat frame | |
| Tilt chassis | 3mm thick stamped steel multi-position synchro-tilt mechanism, black epoxy powder-coated finish, with steel actuation levers and tension adjustment shaft | |
| Gas lift | Class 3 chrome-plated precision steel gas lift, 50mm outer tube diameter, 100mm stroke, with black plastic telescopic dust cover |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full unlimited 360° horizontal rotation around the central gas lift axis, enabled by the swivel joint between mechanism and gas lift | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical height adjustment range operated by right-side lever under seat, locks at any position within range via Class 3 gas lift | |
| Synchro-tilt recline function | Backrest reclines up to 15° backwards with synced 6° seat tilt, operated by side lever, locks in 3 positions including upright for task work and reclined for rest | |
| Tilt tension adjustment | Tilt resistance adjustable via front-facing rotary knob under seat, allows customization of recline force for different user weights | |
| Smooth mobility on flat surfaces | Five dual-wheel PU casters allow omnidirectional rolling on hard wood, tile, and low-pile carpet without surface damage | |
| Fixed padded armrest support | Ergonomically curved fixed armrests provide forearm support during typing and seated tasks, chrome accent trim for premium finish | |
| Lumbar support | Contoured mid-back upholstered panel provides built-in static lumbar support aligned to the natural curve of the lower spine | |
| Omnidirectional mobility | Five dual-wheel PU casters enable 360° omnidirectional rolling on hardwood, tile, laminate, and low-pile carpet (pile height ≤6mm) without surface scuffing, rolling noise ≤45dB on hard floors | |
| Fixed armrest support | Ergonomically curved fixed armrests positioned 210mm above seat surface, providing static forearm support to reduce shoulder strain during typing and desk tasks, no height/width/pivot adjustment visible | |
| Built-in static lumbar support | Contoured mid-back foam profile provides 20mm outward protrusion at the lumbar region (220mm above seat surface), aligned to the natural inward curve of the lower spine for static support without adjustable mechanisms | |
| Anti-tip stability | 660mm diameter 5-star base ensures 20% minimum stability margin when fully reclined at maximum seat height, preventing forward/side/rear tipping per standard office chair stability requirements | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Packed carton dimensions (LxWxH) | 850 x 650 x 380mm | |
|---|---|---|
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm | |
| Reference Packaged Gross Weight | 23kg/set | |
| Reference Carton Volume | 0.26m³/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/executive private workspaces, premium beige upholstery and polished metal trim match professional office decor | |
|---|---|---|
| Conference meeting rooms | Suitable for boardroom and conference room seating, mid-back design supports upright sitting during long meetings, swivel function allows easy interaction around table | |
| Home office premium workspaces | Suitable for residential home offices, neutral beige color coordinates with modern home decor, soft casters protect household floors | |
| Client reception areas | Suitable for formal client reception seating, professional aesthetic provides a polished impression to visitors | |
| Commercial co-working executive suites | Suitable for premium co-working dedicated office spaces, durable commercial-grade construction supports high-frequency daily use | |
| Executive private offices | Suitable for manager and C-suite private workspaces, premium beige leather/PU upholstery and polished aluminum trim match formal professional office decor, mid-back support supports 8 hours of daily desk work | |
| Boardroom and conference rooms | Suitable for boardroom and fixed conference room seating, 360° swivel allows easy interaction with other meeting participants, synchro-tilt supports upright posture during 3 hour meetings | |
| Formal client reception areas | Suitable for client-facing reception and meeting spaces, polished metal trim and contoured upholstery create a professional, polished impression for visiting clients, durable commercial-grade construction resists wear from high visitor turnover |
European market access and chemical requirements
| EN 1335-1:2020 | Applicable standards and test results require confirmation | |
|---|---|---|
| EN 1335-2:2018 | Applicable standards and test results require confirmation | |
| EN 1021-1:2014 | Applicable standards and test results require confirmation |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Drop Test | Suggested acceptance requirement for 102mm front edge static load and 136kg seat drop test, to confirm seat structure does not deform or fail under impact | |
|---|---|---|
| Seat static load capacity | 136 kg minimum | |
| Backrest static load capacity | 68 kg minimum |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standards and test results require confirmation | |
|---|---|---|
| GB/T 22792.1-2009 | Suggested acceptance standard for office swivel chair stability and structural safety, to confirm no tipping risk during recline and movement | |
| GB 18584-2001 | Applicable standards and test results require confirmation |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standards and test results require confirmation; 2. GB/T 22792.1-2009: Suggested acceptance standard for office swivel chair stability and structural safety, to confirm no tipping risk during recline and movement; 3. GB 18584-2001: Applicable standards and test results require confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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