| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 700 x 1250 mm | |
|---|---|---|
| Seat width | 580 mm | |
| Seat depth | 500 mm | |
| Maximum seat height | 580 mm | |
| Backrest height | 740 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height above seat | 250 mm | |
| Retractable footrest extension length | 420 mm | |
| Caster wheel diameter | 50 mm | |
| Seat cushion thickness | 130 mm | |
| Backrest padding thickness | 100 mm | |
| Footrest width | 480 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 26 kg | |
|---|---|---|
| Maximum recommended user weight | 227 kg | |
| Recline angle range maximum | 150 degrees | |
| Pneumatic height adjustment stroke | 120 mm | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Caster rolling durability | 100000 cycles | |
| Gas lift static load rating | 150 kg | |
| Warranty period | 3 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick matte PU faux leather | |
|---|---|---|
| Seat cushion core | High-density polyurethane foam with top soft layer | |
| Backrest padding | Segmented multi-layer high-resilience foam | |
| Armrest frames | Rigid dark grey ABS/PP structural frames with padded tops | |
| Five-star base | 1.5mm thick chrome-plated polished steel | |
| Caster wheels | Dual-wheel nylon casters with chrome accent rings | |
| Retractable footrest | Chrome-plated steel support frame with padded faux leather top | |
| Internal seat frame | 2.0mm thick welded steel tubular frame | |
| Recline mechanism chassis | 3.0mm thick cold-rolled steel plate | |
| Gas lift cylinder | Chrome-plated steel Class 4 pneumatic cylinder | |
| Seam stitching | 10 stitches per inch reinforced matching-thread stitching | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel | Full rotation enabled by central gas lift and base assembly | |
|---|---|---|
| Pneumatic seat height adjustment | Side-lever controlled 120mm vertical travel via Class 4 gas lift | |
| Recline locking function | Multi-position lock up to 150 degrees with adjustable tilt tension | |
| Retractable pull-out footrest | Under-seat sliding chrome frame extends 420mm for napping support | |
| Synchro-tilt mechanism | Backrest reclines in sync with seat tilt to maintain leg support | |
| Smooth rolling mobility | Dual-wheel casters roll on hard floors and low-pile carpet | |
| Segmented lumbar support | Built-in contoured mid-back padding provides fixed lumbar support | |
| Padded linked armrests | Armrests move with recline angle to maintain consistent elbow support | |
| 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 | Formal high-back support for long work hours and professional meetings | |
|---|---|---|
| Home office workspace | Recline and footrest enable short rest breaks during remote work | |
| Managerial meeting room | Polished light taupe finish complements modern professional interiors | |
| Executive reception area | Comfortable seating for visiting guests during extended discussions | |
| Height-adjustable standing desk pairing | Pneumatic height adjustment aligns with sit-stand desk height ranges | |
| Daily 8+ hour office use | Thick cushioning and lumbar support reduce fatigue during long shifts | |
| 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 | Office work chairs safety requirements, core European market acceptance standard | |
|---|---|---|
| EN 1335-2:2009 | Office work chairs strength and durability test methods, performance verification standard | |
| EN 1022:2018 | Furniture seating stability test method, applicable for tilt stability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Office chairs general purpose standard, structural and durability acceptance reference |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable for structural durability checks | |
|---|---|---|
| GB 28007-2011 | Safety and performance requirements for office chairs, structural strength acceptance standard | |
| GB/T 19995.1-2005 | Test methods for furniture hardware, applicable for caster and gas lift testing |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable for structural durability checks; 2. GB 28007-2011: Safety and performance requirements for office chairs, structural strength acceptance standard; 3. GB/T 19995.1-2005: Test methods for furniture hardware, applicable for caster and gas lift testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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