| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 820 x 930 x 1300 mm | |
|---|---|---|
| Seat width | 550 mm | |
| Seat depth | 520 mm | |
| Seat height (adjustable range max) | 570 mm | |
| Backrest height | 820 mm | |
| Headrest height | 220 mm | |
| Armrest height from seat | 200 mm | |
| Five-star base diameter | 700 mm | |
| Caster wheel diameter | 60 mm | |
| Retractable footrest extension length | 420 mm | |
| Seat cushion thickness | 140 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
| Net weight | 43 kg | |
|---|---|---|
| Maximum recommended user load | 227 kg | |
| Five-star base static load capacity | 1136 kg | |
| Gas lift lifecycle | 120000 cycles | |
| Recline mechanism cycle durability | 100000 cycles | |
| Caster rolling durability | 50000 cycles | |
| Seat foam density | 40 kg/m³ | |
| 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
| Seat and back upholstery | 1.2 mm thick light grey smooth PU/faux leather | |
|---|---|---|
| Seat cushion core | 40 kg/m³ high-density polyurethane foam | |
| Backrest padding | 32 kg/m³ high-density contoured foam | |
| Internal support frame | 1.5 mm thick welded steel tube frame | |
| Five-star base | 1.8 mm thick polished chrome-plated steel | |
| Armrest structure | Padded upholstered top with polished chrome trim strip | |
| Caster wheels | 60 mm diameter polyurethane tread with chrome hub | |
| Side accent panel | Textured dark grey woven/mesh decorative trim | |
| 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 | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100 mm stroke via Class 4 gas lift, side lever operation | |
|---|---|---|
| Backrest recline | 135 degree maximum lockable tilt with tension adjustment | |
| Retractable footrest | 420 mm manual slide-out extension, padded for leg support | |
| Swivel function | 360 degree full rotation on central bearing for desk access | |
| Mobility function | Smooth rolling on 5 dual-wheel casters suitable for hard floors | |
| Lumbar support | Contoured fixed padded lumbar zone integrated into backrest | |
| Head support | Integrated padded contoured headrest for neck support in upright/reclined positions | |
| 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 manager/CEO workstations with premium aesthetic and recline function | |
|---|---|---|
| Home office workspace | Ideal for residential work areas requiring multi-position comfort for long work sessions | |
| Boardroom director seating | Appropriate for high-end conference rooms requiring formal, comfortable executive seating | |
| Rest break use | Supports short napping/reclined rest with footrest extended during workday breaks | |
| Reception premium seating | Suitable for high-end reception areas for executive visitor use | |
| Commercial office projects | Compatible with contract office procurement for senior staff workstations | |
| 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 work chair mechanical safety test methods | |
| EN 1022:2018 | Applies to seating stability testing for domestic and contract use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional and stability requirements for office desks and chairs | |
|---|---|---|
| GB/T 24821-2009 | Applies to upholstered office furniture mechanical performance requirements | |
| GB 18584-2001 | Applies to indoor furniture formaldehyde and harmful substance emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional and stability requirements for office desks and chairs; 2. GB/T 24821-2009: Applies to upholstered office furniture mechanical performance requirements; 3. GB 18584-2001: Applies to indoor furniture formaldehyde and harmful substance emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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