| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions (upright) | 770 x 680 x 1255 mm | |
|---|---|---|
| seat width | 551 mm | |
| seat depth | 500 mm | |
| adjustable seat height range | 565 mm | |
| seat cushion thickness | 130 mm | |
| backrest height (from seat) | 670 mm | |
| headrest pillow dimensions | 520 x 180 x 100 mm | |
| armrest height above seat | 200 mm | |
| five-star base diameter | 700 mm | |
| caster wheel diameter | 60 mm | |
| extended footrest length from seat front | 400 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 | 150 kg | |
|---|---|---|
| net weight (product only) | 25 kg | |
| five-star base static load rating | 1136 kg | |
| gas lift cycle rating | 100000 lifts | |
| upholstery abrasion resistance | 50000 Martindale cycles | |
| caster rolling durability | 100000 cycles | |
| recline mechanism lock positions | Infinite lock between 90° upright and 135° recline | |
| seat foam density | 40 kg/m³ | |
| foam rebound rate | 45% | |
| warranty period (frame/mechanism/gas lift) | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery (main body) | 1.2mm thick wear-resistant PU leather with matching grey stitching | |
|---|---|---|
| lower side panel trim | Dark brown faux leather accent panel | |
| seat/back/headrest padding | High-density polyurethane foam with soft top layer | |
| internal frame | 1.5mm thick welded steel tube inner frame | |
| armrest top trim | High-gloss dark polished wood-grain composite with chrome end caps | |
| five-star base | 1.2mm thick chrome-plated polished steel five-star base | |
| adjustment components | Chrome-plated steel side recline lever and hardware | |
| gas lift | Class 3 chrome-finish steel gas lift with 115mm stroke | |
| recline chassis | 3mm thick steel tilt mechanism with tension adjustment | |
| caster wheels | PU soft-tread dual-wheel casters with black nylon hubs | |
| stitching detail | 8mm seam pitch along upholstery panel edges | |
| footrest padding | 20mm thick foam cushion with matching PU upholstery |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation supported by central gas lift swivel joint | |
|---|---|---|
| pneumatic seat height adjustment | 115mm vertical height adjustment via right-side lever, aligned to standard desk heights | |
| lockable recline function | Infinite-position backrest tilt lock between 90° upright work position and 135° reclined rest position | |
| extendable padded footrest | Pull-out retractable leg rest deploys from under seat for full leg support during recline | |
| fixed padded armrest support | Wide, rigid armrests provide stable forearm support during typing and recline | |
| tilt tension adjustment | User-adjustable recline tension knob modifies resistance to match user weight | |
| smooth rolling mobility | Dual-wheel PU casters enable low-noise movement on hard tile, wood, and low-pile carpet | |
| attached padded headrest | Contoured neck pillow integrated into high back to support cervical spine during upright and reclined use | |
| integrated lumbar support | Contoured backrest foam provides built-in mid-back lumbar support without separate adjustment | |
| reclined overall depth (footrest deployed) | 1080 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
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 use | Suitable for manager/executive desks, providing professional appearance and long-sit comfort | |
|---|---|---|
| home office workspace | Works for residential office setups where users require both work support and recline rest functionality | |
| conference/meeting room seating | Applicable for high-end boardroom seating for senior meeting participants | |
| nap-capable office spaces | Supports short midday rest with deployed footrest and reclined back without extra lounge furniture | |
| commercial reception areas | Suitable for upscale executive reception zones, projecting premium professional image | |
| users 155-190cm tall | Ergonomic dimensions fit average to tall adult users for both work and recline positions | |
| 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 ergonomic dimensional and safety requirements for seated task work | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength, stability, and durability performance testing | |
| EN 1021-1:2014 | Applies to upholstered furniture cigarette ignition resistance for office environment fire safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability, safety, and structural performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional, stability, and strength testing requirements for desk-use seating | |
|---|---|---|
| GB/T 22800-2009 | Applies to leather/faux leather office chair upholstery material quality and physical performance | |
| GB/T 10357.3-2013 | Applies to chair seat/back static load, fatigue, and impact durability testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional, stability, and strength testing requirements for desk-use seating; 2. GB/T 22800-2009: Applies to leather/faux leather office chair upholstery material quality and physical performance; 3. GB/T 10357.3-2013: Applies to chair seat/back static load, fatigue, and impact durability testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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