| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 750 x 750 x 1260 mm | |
|---|---|---|
| Seat height (adjustment range maximum) | 500 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height | 780 mm | |
| Integrated headrest dimensions | 280 x 180 x 80 mm | |
| Armrest height above seat | 220 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 55 mm | |
| Extended footrest length from seat front | 300 mm | |
| Seat cushion thickness | 100 mm | |
| Knee clearance under seat (minimum) | 180 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 user weight capacity | 181 kg | |
|---|---|---|
| Net weight (chair only) | 22 kg | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Backrest foam thickness | 60 mm | |
| Gas lift cycle durability | 100000 cycles | |
| Recline mechanism cycle durability | 25000 cycles | |
| Caster rolling durability | 60000 cycles | |
| Warranty period (frame/mechanism/gas lift) | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick two-tone PU faux leather | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam with pocket spring support | |
| Backrest cushion core | 45 kg/m³ high-density polyurethane foam | |
| Internal support frame | 1.5mm thick welded steel tube frame | |
| Five-star base | 2.0mm thick chrome-plated polished steel | |
| Armrest structure | Polyurethane-padded steel frame with matching two-tone upholstery | |
| Caster wheels | 55mm diameter PU soft tread wheels with polypropylene hubs | |
| Footrest structure | Chrome-plated steel support frame with PU padded top | |
| Recline control hardware | Powder-coated steel lever mechanism with chrome trim plate | |
| 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
| Swivel function | 360-degree full rotation around central axis | |
|---|---|---|
| Seat height adjustment | 100mm pneumatic height adjustment via BIFMA-rated gas lift | |
| Recline function | 135-degree backrest recline with tension adjustment knob | |
| Recline lock | Multi-position lock to secure backrest at preferred upright/reclined angles | |
| Retractable footrest | Pull-out sliding footrest that tucks fully under seat when not in use | |
| Mobility function | Five dual-wheel casters for smooth rolling on hard floors and low-pile carpet | |
| Lumbar support | Integrated padded lumbar zone built into mid-back upholstery | |
| Head support | Fixed integrated padded headrest aligned to support neck in upright or 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
| Carton dimensions | 90 x 40 x 68 cm | |
|---|---|---|
| Gross weight per carton | 25 kg | |
| 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/executive workstations requiring extended seating comfort and professional aesthetics | |
|---|---|---|
| Home office workspace | Ideal for dedicated home offices where recline and footrest support break-time relaxation | |
| Conference room seating | Appropriate for high-end boardrooms for senior meeting participants | |
| Commercial reception areas | Fits premium reception spaces for executive guest seating | |
| Recommended flooring | Suitable for marble, tile, wood and low-pile carpeted floors without floor mats | |
| Target user group | Designed for office workers requiring 6+ hours of daily seated work with occasional recline rest breaks | |
| 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 European standard for office chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1022:2018 | Applicable standard for furniture seating stability testing for EU market compliance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable North American standard for office chair safety, durability and structural performance |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | Applicable general technical requirements standard for metal furniture used in office chair bases and frames |
|---|
This product must meet the following technical requirements: 1. GB/T 3324-2017: Applicable general technical requirements standard for metal furniture used in office chair bases and frames; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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