| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x adjustable H) | 600 x 520 x 1030mm | |
|---|---|---|
| Backrest width | 480 mm | |
| Backrest height (top edge to seat pan top) | 500 mm | |
| Seat pan depth (front to rear edge) | 510 mm | |
| Seat pan width | 500 mm | |
| Seat height range (floor to seat top) | 440mm | |
| Armrest span (outer edge to outer edge) | 600 mm | |
| Armrest height (seat top to armrest top) | 200 mm | |
| Five-star base radius (center stem to caster axis) | 320 mm | |
| Overall base diameter (caster edge to opposite caster edge) | 640 mm | |
| Backrest height (seat top to backrest top edge) | 530mm | |
| Finished Seat Cushion Thickness | 90mm | |
| Backrest Padding Thickness | 70mm | |
| Lumbar Support Zone Height | 240mm | |
| Clear Width Between Armrests | 540mm |
Net weight / load capacity / users / durability
| Product net weight | 13.5kg | |
|---|---|---|
| Recommended maximum user weight | 120 kg | |
| Seat static load capacity | 150 kg | |
| Caster rolling durability | ≥40000 cycles | |
| Gas lift cycle life | ≥100000 height adjustments | |
| Mesh back fabric abrasion resistance | ≥30000 Martindale cycles | |
| Recommended maximum static user weight | 120kg | |
| Gas lift adjustment cycle life | ≥100000 full height adjustment cycles | |
| Seat upholstery abrasion resistance | ≥30000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Black breathable woven elastomeric mesh, stretched over nylon support frame | |
|---|---|---|
| Seat cushion core | 40mm thickness high-resilience polyurethane foam, density 45kg/m³, rebound rate ≥40% | |
| Seat upholstery | Black woven polyester fabric over foam cushion, seam pitch 8±1 stitches per inch | |
| Seat inner frame | 12mm thick multi-layer plywood under foam cushion, connected to tilt mechanism with steel bolts | |
| Armrests | Injection-molded black nylon fixed armrests, integrated frame connecting seat and back structure | |
| Central gas lift | Class 3 steel gas lift, 50mm outer diameter, 100mm height adjustment stroke, black powder-coated outer sleeve | |
| Tilt mechanism | 2.5mm thick stamped steel tilt chassis, black powder-coated finish, with single lever for height adjustment and tilt lock | |
| Five-star base | Injection-molded black nylon five-star base, 3mm average wall thickness, matte black finish | |
| Casters | 50mm diameter black PU dual-wheel casters, hard-floor compatible, press-fit mounting to base | |
| Backrest support structure | Injection-molded matte black polyamide (nylon) perimeter frame, tensioned to support mesh upholstery with contoured lumbar curve | |
| Seat inner support frame | 12mm thick multi-layer birch plywood panel under foam cushion, fastened to tilt mechanism with M8 steel bolts | |
| Tilt control mechanism | 2.5mm thick stamped steel tilt chassis, black electrophoretic coated finish, with side-mounted actuation lever and tension adjustment knob |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via pneumatic gas lift, actuated by right-side lever under seat, adjusts between 400mm and 440mm seat height | |
|---|---|---|
| Backrest tilt function | Synchro-tilt mechanism allowing 15 degree backward recline, with tension adjustment knob visible on right side of mechanism, lockable in upright position | |
| 360-degree swivel | Full 360 degree horizontal rotation around central gas lift axis, no rotation lock, allowing easy access to surrounding desk areas | |
| Mobility function | Five dual-wheel PU casters provide smooth rolling on hard floors and low-pile carpet, 320mm base radius prevents tipping during normal movement | |
| Fixed armrest support | One-piece fixed armrests provide stable forearm support at fixed 200mm height above seat, no height, width or depth adjustment | |
| Lumbar support | Contoured mesh back provides passive lumbar support via frame curvature, no adjustable lumbar pad | |
| 360-degree swivel rotation | Unrestricted full 360° horizontal rotation around the central gas lift axis, no rotation lock, allowing users to access adjacent work areas without repositioning the chair base | |
| Multi-surface mobility | Five dual-wheel PU casters provide smooth, low-noise rolling on hard tile/wood floors and low-pile carpet (pile height ≤6mm), 640mm base diameter provides anti-tipping stability during normal seated movement | |
| Passive lumbar support | Contoured nylon back frame creates a convex lumbar curve at 220mm above the seat surface, providing static lower back support without adjustable lumbar pads | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120kg | |
| 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 | 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
| Open plan office workstations | Suitable for 8-hour daily use at standard 760mm height office desks, mid-back design provides upper back support without obstructing sight lines in open offices | |
|---|---|---|
| Home office setups | Compact 600mm width fits small home workspaces, breathable mesh back maintains comfort during extended work sessions, neutral black finish matches most home decor | |
| Conference and meeting rooms | Swivel and mobility functions allow easy interaction around conference tables, fixed armrests provide consistent support for meeting attendees, durable construction supports frequent turnover use | |
| Training room and hot-desking environments | Lightweight design allows easy repositioning between workstations, easy assembly and replacement of wear parts (casters, gas lift) reduces long-term maintenance cost | |
| Call center and shared workspaces | Breathable mesh back reduces heat buildup during continuous seated shifts, minimal adjustment points simplify user operation for rotating staff, commercial-grade durability supports 24/7 shift use | |
| Corporate conference and meeting rooms | 360° swivel and rolling mobility allows attendees to orient toward presentation screens or other meeting participants without repositioning the chair, fixed armrests provide consistent support for multi-hour meetings, durable construction supports frequent user turnover | |
| Call center and 24/7 shared workspaces | Breathable mesh back reduces heat accumulation during continuous seated shifts across rotating staff, simple fixed adjustment points eliminate user error from complex mechanisms, commercial-grade fabric and foam durability supports high-frequency daily use | |
| Temporary workspace and event seating | Fast assembly and disassembly supports short-term event setup, stable five-star base meets commercial safety requirements for temporary public seating, neutral black appearance coordinates with most event decor |
European market access and chemical requirements
| EN 1335-1:2020 | Applicable European standard for office work chairs, dimensional requirements including seat height range, backrest dimensions, stability, acceptance reference | |
|---|---|---|
| EN 1335-2:2018 | Applicable safety strength and durability standard for office chairs, seat, backrest, armrest and base load requirements, acceptance reference | |
| EN 1335-3:2020 | Applicable test method standard for office chair structural safety and durability, third-party test reference for procurement inspection |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for general-purpose office chairs, base static load of 1136kg, caster durability, gas lift cycle requirements, acceptance reference | |
|---|---|---|
| Five-star base static load rating | Recommended references: BIFMA X5.1 |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: chair and stool dimensional accuracy, size deviation tolerance ±5mm for all marked dimensions, acceptance reference | |
|---|---|---|
| GB/T 35607-2017 | Applicable green product evaluation standard for office furniture, formaldehyde emission ≤0.124 mg/m³, volatile organic compound limits as specified, procurement acceptance reference | |
| GB 28007-2011 | Applicable safety standard for office chairs, structural stability and anti-tipping requirements for swivel chairs, no forward/sideward tipping under 600N applied load, acceptance reference |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: chair and stool dimensional accuracy, size deviation tolerance ±5mm for all marked dimensions, acceptance reference; 2. GB/T 35607-2017: Applicable green product evaluation standard for office furniture, formaldehyde emission ≤0.124 mg/m³, volatile organic compound limits as specified, procurement acceptance reference; 3. GB 28007-2011: Applicable safety standard for office chairs, structural stability and anti-tipping requirements for swivel chairs, no forward/sideward tipping under 600N applied load, acceptance reference; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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