| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 760 x 1255 mm | |
|---|---|---|
| Seat width | 597 mm | |
| Seat depth | 510 mm | |
| Adjustable seat height | 597 mm | |
| Backrest height | 780 mm | |
| Armrest height above seat | 230 mm | |
| Five-star base diameter | 700 mm | |
| Caster wheel diameter | 60 mm | |
| Headrest height above seat | 680 mm | |
| Cushion thickness | 120 mm | |
| Lumbar support tufted panel height | 320 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 | 22.7 kg | |
|---|---|---|
| Recommended static weight capacity | 227 kg | |
| Five-star base static load rating | 1136 kg | |
| Seat foam density | 50 kg/m³ | |
| Foam rebound rate | 60% | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 mm | |
| Warranty period | 3 years | |
| Available color options | 6 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and front back upholstery | 1.2mm thick beige PU leather | |
|---|---|---|
| Side and lower back panels | Dark grey durable PVC upholstery | |
| Seat and back padding | High-density polyurethane foam | |
| Internal support frame | 15mm thick molded plywood with steel reinforcement | |
| Armrest structure | Padded PU top with polished chrome end caps and glossy black trim | |
| Five-star base | 2mm thick polished chrome-plated steel | |
| Caster wheels | Dual-wheel black PU with chrome hub trim | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Gas lift cylinder | Chrome-plated steel Class 3 pneumatic lift | |
| Tilt mechanism plate | 3mm thick stamped steel | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical stroke via Class 3 gas lift | |
| Synchro-tilt recline | 15-degree backward tilt with 4-position lock and tension control | |
| Fixed padded armrests | Ergonomically curved arm support positioned for desk work alignment | |
| Tufted lumbar support | Contoured button-tufted mid-back panel for static lumbar alignment | |
| Integrated padded headrest | Neck support cushion integrated into top of high back | |
| Smooth caster mobility | Dual-wheel casters roll on hard floors and low-pile carpet | |
| Tilt tension adjustment | User-adjustable spring tension to match user weight for recline resistance | |
| 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 daily long-duration seated work for managers and senior staff | |
|---|---|---|
| Conference room seating | Appropriate for formal meeting rooms with executive desks and conference tables | |
| Home office workspace | Suitable for residential home offices requiring both comfort and professional style | |
| Reception executive waiting areas | Appropriate for premium guest seating in formal reception zones | |
| 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 and safety requirements for office work seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to strength, durability and stability requirements for office chairs | |
| EN 1335-3:2009 | Applies to test methods for verifying office chair safety and durability |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair strength, durability and stability requirements | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-duty office chair load capacity testing up to 181kg users |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional accuracy and structural stability requirements | |
|---|---|---|
| GB/T 3324-2017 | Applies to general technical requirements for wooden and upholstered office furniture | |
| GB 18584-2001 | Applies to formaldehyde emission limits for wooden furniture interior materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and structural stability requirements; 2. GB/T 3324-2017: Applies to general technical requirements for wooden and upholstered office furniture; 3. GB 18584-2001: Applies to formaldehyde emission limits for wooden furniture interior materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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