| Submitted | Field | Original | 修改后参数 | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 670 x 680 x 1080mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 490 mm | |
| Seat height range | 520mm | |
| Backrest height | 670 mm | |
| Backrest width | 480 mm | |
| Armrest height above seat | 210 mm | |
| Five-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Seat foam thickness | 80 mm | |
| 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
| Net weight range | 22kg | |
|---|---|---|
| Maximum user weight capacity | 136 kg | |
| Seat foam density | 50kg/m³ | |
| Back foam density | 40kg/m³ | |
| Foam rebound rate | 55% | |
| Gas lift static load rating | 150 kg | |
| Caster rolling durability | ≥100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Backrest foam density | 40±5kg/m³ | |
| Class 3 gas lift static load rating | ≥150kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Light grey faux leather / semi-aniline leather match | |
|---|---|---|
| Seat internal support board | 12mm thick molded plywood | |
| Fixed armrest structure | Padded upholstery over integrated steel support frame | |
| Seat and back padding | High resilience polyurethane foam | |
| Tilt mechanism | 2.5mm thick stamped steel synchro-tilt chassis | |
| Gas lift | Polished chrome Class 3 steel gas lift, 50mm outer diameter, 90mm stroke | |
| Five-star base | Polished die-cast aluminum, 3mm wall thickness | |
| Casters | Black PU twin-wheel casters, with metal stem | |
| Seam stitching | Matching grey polyester thread, 8 stitches per inch | |
| Internal back frame | 1.5mm thick steel tubular frame | |
| Seat, back and armrest upholstery | Light grey matte polyurethane (PU) faux leather, 1.0±0.1mm thickness | |
| Seat internal support panel | 12mm thick multi-layer molded plywood, sanded edges, glued and screwed to mechanism mounting plate |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via side lever, 90mm stroke, locks at any height within 520mm seat height range | |
|---|---|---|
| Tilt function | Synchro tilt with 12° backward recline, tension adjustment knob, lockable in upright position | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Mobility | Five dual-wheel casters enable omnidirectional rolling on hard floors and low-pile carpet | |
| Lumbar support | Contoured integrated lumbar support built into lower backrest curvature | |
| Armrest function | Fixed contoured padded armrests, providing stable elbow support during typing and meetings | |
| Recline tension adjustment | Rotary knob under seat adjusts tilt resistance to match user weight from 120kg | |
| Synchro-tilt recline function | Synchronized seat and back tilt with 1:2.1 seat-to-back angle ratio, 12° maximum backward recline angle, lockable in full upright position via side lever | |
| Tilt tension adjustment | Rotary tension knob under front seat adjusts recline resistance to match user weight ranging from 50kg to 120kg, no tools required for adjustment | |
| 360° swivel function | Full 360° rotation around central gas lift axis, zero play between swivel joint and base mounting, no rotational lock positions | |
| Omnidirectional mobility | Five dual-wheel PU casters enable low-force rolling (≤15N rolling resistance) on hard floors and low-pile carpet, no floor protection mat required for hard surface use | |
| Integrated lumbar support | Fixed contoured lumbar support built into lower backrest foam curvature, positioned 220mm above seat surface to align with lumbar spine L3-L5 region, no separate adjustable lumbar pad |
Verified carton / gross weight / assembly / loading data
| Carton count | 1 single carton for knock-down shipping | |
|---|---|---|
| Carton dimensions | 720 x 650 x 580mm | |
| Gross weight per carton | 26kg | |
| CBM per carton | 0.27m³ | |
| Assembly time per unit | 15minutes | |
| 20ft GP container loading quantity | 220 units | |
| 40ft HQ container loading quantity | 540 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40minutes per set | |
| Reference Carton Dimensions | 850 × 420 × 720mm |
Recommended spaces / users / usage modes
| Executive private office | Appropriate for manager and executive workspaces as primary task seating, with premium upholstered appearance matching professional office decor | |
|---|---|---|
| Conference and meeting rooms | Suitable for boardroom and meeting room seating, with swivel and tilt function supporting long meeting durations | |
| Home office workspace | Ideal for premium home office setups, with light grey neutral finish matching modern residential interior styles | |
| Reception and visitor areas | Usable as guest seating in reception zones, with polished aluminum base presenting a polished professional look | |
| Recommended desk height compatibility | Suits 760mm high standard office desks, with seat height range aligning to standard desk work surfaces | |
| Corporate conference and boardrooms | Appropriate for formal meeting room seating, with 360° swivel and controlled tilt function supporting 4 hour meeting durations, unified aesthetic for formal boardroom setups | |
| Professional reception and visitor zones | Usable as guest seating in executive reception areas, with polished metal base presenting a formal, well-finished professional appearance for visiting clients | |
| Desk height compatibility | Designed to pair with standard 760mm high office desks, with 530mm seat height range providing ergonomic seated eye level for monitor use at standard desk heights |
European market access and chemical requirements
| EN 1335-1:2020 | Applicable European standard for office work chairs: dimensional and safety requirements, reference for export compliance | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair strength, durability and stability, reference for performance validation | |
| EN 1022:2018 | Applicable European standard for furniture seating: stability determination method, reference for anti-tipping performance verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for office chairs: general purpose performance requirements including static load, durability and stability, reference for commercial grade acceptance | |
|---|---|---|
| Base static load rating | 1136 kg | |
| Five-star base static load test reference | ≥1136kg static load applied for 1 minute, no structural failure or permanent deformation, per BIFMA X5.1 base test requirement | |
| Maximum static user weight capacity | 136kg | |
| Tilt mechanism fatigue durability | ≥120000 recline cycles |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture: chair dimensional tolerance and stability requirements, reference for incoming inspection | |
|---|---|---|
| GB/T 26702-2011 | Applicable standard for office chair mechanical performance and durability test methods, reference for load and cycle verification | |
| GB 18584-2001 | Applicable Chinese national standard for furniture indoor decoration material: limit of harmful substances in wooden furniture, reference for formaldehyde emission screening of internal plywood components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture: chair dimensional tolerance and stability requirements, reference for incoming inspection; 2. GB/T 26702-2011: Applicable standard for office chair mechanical performance and durability test methods, reference for load and cycle verification; 3. GB 18584-2001: Applicable Chinese national standard for furniture indoor decoration material: limit of harmful substances in wooden furniture, reference for formaldehyde emission screening of internal plywood components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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