| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 680 x 750 x 1220 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 560 mm | |
| Adjustable seat height (floor to seat top) | 560 mm | |
| Backrest total height | 980 mm | |
| Seat cushion thickness | 127 mm | |
| Backrest padding thickness | 100 mm | |
| Armrest height (floor to armrest top) | 700 mm | |
| Five-star base diameter | 700 mm | |
| Extended footrest length | 400 mm | |
| Caster wheel diameter | 50 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
| Product net weight | 35 kg | |
|---|---|---|
| Recommended maximum user weight | 181 kg | |
| Five-star base static load rating | 1136 kg | |
| Gas lift adjustment stroke | 100 mm | |
| Maximum recline angle from upright | 155 degrees | |
| Seating upholstery abrasion resistance | 50000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Recommended daily usage duration | 8 hours | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm thick black top-grain leather | |
|---|---|---|
| Seat core padding | 45kg/m³ density high-resilience polyurethane foam | |
| Backrest core padding | 40kg/m³ density segmented polyurethane foam | |
| Five-star base construction | 1.5mm thick polished chrome-plated steel | |
| Fixed armrest structure | Padded leather top with chrome-plated steel edge trim | |
| Caster wheels | 50mm diameter polyurethane twin-wheel casters with chrome bracket | |
| Gas lift cylinder | Class 4 chrome-plated steel gas lift | |
| Recline mechanism chassis | 3mm thick steel plate with tension adjustment dial | |
| Retractable footrest | Padded leather top with chrome-plated steel support frame | |
| Armrest side panel | Vertical pleated black leather upholstery over rigid internal frame | |
| 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 unrestricted swivel around vertical axis via central gas lift | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via side control lever | |
| Recline tension adjustment | Variable resistance dial on left seat flank for user weight matching | |
| Multi-position recline lock | Lockable at any angle up to 155 degrees for resting positions | |
| Retractable footrest operation | Manual pull-out extension under seat, retracts flush when not in use | |
| Smooth rolling mobility | Twin-wheel casters suitable for hard floors and low-pile carpet | |
| Segmented back support | Horizontal padded segments provide integrated head, upper back and lumbar support | |
| Fixed padded arm support | Stable padded armrests aligned to standard desk height for forearm rest | |
| Reclined overall depth (footrest extended) | 1560 mm | |
| 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/executive desks with high-back support and professional appearance | |
|---|---|---|
| Home office workspace | Provides recline and footrest for extended work sessions and short breaks | |
| Meeting room director seating | Appropriate for boardroom and senior leader meeting positions | |
| Leadership reception area | Fits formal reception spaces for hosting guests and senior staff | |
| Recommended desk height pairing | Optimized for 760 mm tall standard office desks for correct arm alignment | |
| Daily office use recommendation | Rated for full-time 8-hour daily commercial office use | |
| 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 furniture - Office work chairs - Part 1: Dimensions, applicable for ergonomic seating dimensions | |
|---|---|---|
| EN 1335-2:2018 | Office work chairs safety requirements, applicable for structural stability testing | |
| EN 1022:2018 | Furniture seating stability standard, applicable for upright and reclined positions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for office chairs, applicable for general purpose office seating performance |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for metal furniture, applicable for chrome base and frame | |
|---|---|---|
| GB 18584-2001 | Limit of harmful substances for wooden furniture upholstery, applicable for leather and foam materials |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for metal furniture, applicable for chrome base and frame; 2. GB 18584-2001: Limit of harmful substances for wooden furniture upholstery, applicable for leather and foam materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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