| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 690 x 1220 mm | |
|---|---|---|
| Seat height adjustment range | 555 mm | |
| Seat width | 515 mm | |
| Seat depth | 510 mm | |
| Backrest height from seat surface | 580 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Headrest dimensions | 320 x 180 mm | |
| Retractable footrest extension length | 280 mm | |
| Armrest height from seat surface | 220 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
| Recommended maximum user weight | 204 kg | |
|---|---|---|
| Chair net weight | 17.5 kg | |
| Seat static load capacity | 136 kg | |
| Backrest recline angle range | 135 degrees | |
| Gas lift stroke length | 135 mm | |
| Caster rolling durability rating | 100000 cycles | |
| Mesh upholstery abrasion resistance | 50000 double rubs | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Breathable elastic polyester mesh | |
|---|---|---|
| Seat cushion | 40mm thick high-density foam wrapped in matching mesh | |
| Structural frame | Grey glass-fiber reinforced polypropylene | |
| Headrest | Elastic mesh upholstery over PP support frame | |
| Armrests | Fixed light grey PP arm pads with integrated PP support posts | |
| Five-star base | 1.5mm thick chrome-plated steel | |
| Gas lift cylinder | Chrome-plated SGS Class 3 steel cylinder | |
| Casters | 60mm diameter black PU twin-wheel casters | |
| Recline mechanism | 2.5mm thick steel plate with multi-position lock | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via side lever, 135mm travel | |
|---|---|---|
| Backrest recline | Lockable recline with tension adjustment, up to 135 degrees | |
| Retractable footrest | Pull-out padded footrest stored under seat, extends 280mm | |
| 360-degree swivel | Full rotation around central gas lift axis for multi-directional access | |
| Integrated lumbar support | Contoured fixed lumbar zone aligned with lower back curvature | |
| Height-adjustable headrest | Up/down adjustable headrest to support neck in upright and reclined positions | |
| Smooth rolling mobility | Twin-wheel casters suitable for hard floors and low-pile carpet | |
| Tilt tension control | Adjustable tension knob to match recline resistance to user weight | |
| 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
| Corporate open office workstations | Suitable for 8-hour daily seated work with adjustable ergonomic support | |
|---|---|---|
| Home office study spaces | Fits standard 760 mm height desks with rolling mobility for home use | |
| Executive private offices | High-back design with recline function supports extended work and short rest breaks | |
| Co-working shared workspaces | Durable construction and neutral grey color suits multi-user rotating use | |
| Meeting and conference rooms | 360-degree swivel and rolling mobility supports easy collaboration around tables | |
| 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 | Applicable for office chair dimensional and structural safety performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair strength, durability and stability testing requirements | |
| EN 1335-3:2009 | Applicable for test methods to verify office chair safety and performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety and performance testing standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable for large-user office chair load and durability verification |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for dimensional measurement and tolerance verification of office chairs | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for strength and durability testing of office chair seating surfaces | |
| GB 28007-2011 | Applicable for general safety requirements of office furniture including chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for dimensional measurement and tolerance verification of office chairs; 2. GB/T 10357.3-2013: Applicable for strength and durability testing of office chair seating surfaces; 3. GB 28007-2011: Applicable for general safety requirements of office furniture including chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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