| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (adjusted height) | 770 x 880 x 1320 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 520 mm | |
| Seat height range (gas lift adjusted) | 570 mm | |
| Backrest height (from seat top to headrest) | 780 mm | |
| Five-star base span (diameter) | 700 mm | |
| Armrest height from seat surface | 220 mm | |
| Retractable footrest extension length | 420 mm | |
| Caster diameter | 60 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 static load capacity | 227 kg | |
|---|---|---|
| Product net weight reference | 21 kg | |
| Seat foam density | 40 kg/m³ | |
| Foam rebound rate | 60% | |
| Gas lift cycle durability | 100000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seat cushion padding thickness | 80 mm | |
| Backrest padding thickness | 60 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.5mm thick black smooth PU/top-grain leather | |
|---|---|---|
| Armrest structure | Leather-wrapped padded armrests with polished solid wood top caps | |
| Internal support frame | 1.5mm thick welded steel inner frame with plywood reinforcement | |
| Five-star base | 2mm thick polished chrome-plated steel radial five-prong base | |
| Casters | 60mm diameter PU dual-wheel silent casters with chrome accent rings | |
| Padding core | High-density cold-cure polyurethane foam with anti-aging surface coating | |
| Gas lift cylinder | Chrome-finished Class 4 steel pneumatic lift | |
| Recline chassis | 3mm thick steel wire-controlled multi-position locking chassis | |
| Footrest structure | Chrome-plated steel support frame with padded leather top | |
| 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
| Swivel function | 360° omnidirectional swivel on central gas lift bearing | |
|---|---|---|
| Height adjustment | 140mm stroke gas lift height adjustment controlled by under-seat lever | |
| Backrest recline | 135° lockable backrest recline with tension adjustment | |
| Retractable footrest | Slide-out under-seat footrest locks in extended position for reclining | |
| Tilt tension control | Adjustable tilt resistance to match user body weight | |
| Smooth mobility | Dual-wheel casters roll silently on hard floors and low-pile carpet | |
| Multi-position recline lock | Lock backrest in upright working position or fully reclined rest position | |
| 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 | Suitable for C-suite and management workspaces, formal professional styling | |
|---|---|---|
| Managerial workstations | Works for middle management desks requiring recline and comfort for long workdays | |
| Conference meeting rooms | Appropriate for formal boardroom and executive meeting seating | |
| Home office executive setups | Fits premium home workspaces requiring both comfort and business aesthetic | |
| Reception VIP areas | Suitable for guest seating in high-end corporate reception spaces | |
| User suitability | Designed for adults 190 cm tall, supporting up to 227kg user weight | |
| 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 | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical safety test methods | |
| EN 1022:2018 | Applies to domestic and contract seating stability testing standards |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-duty office chair load rating requirements up to 227kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional stability and measurement standards | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation requirements for office furniture | |
| GB 28007-2011 | Applies to upholstered furniture flame retardant performance requirements |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional stability and measurement standards; 2. GB/T 35607-2017: Applies to green product evaluation requirements for office furniture; 3. GB 28007-2011: Applies to upholstered furniture flame retardant performance requirements; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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