| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 x 790 x 1370 mm | |
|---|---|---|
| Seat width | 610 mm | |
| Seat depth | 540 mm | |
| Seat height from floor | 550 mm | |
| Backrest height | 635 mm | |
| Armrest height from seat | 250 mm | |
| Five-star base diameter | 350 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest padding thickness | 80 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
| Recommended user weight capacity | 159 kg | |
|---|---|---|
| Net product weight | 20 kg | |
| Seat foam density | 40 kg/m³ | |
| Seat foam rebound rate | 60% | |
| Gas lift service life | 60000 cycles | |
| Caster rolling durability | 50000 cycles | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Standard warranty period | 1 year | |
| 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 inner back upholstery | Light grey PU leather, 1.2 mm thickness | |
|---|---|---|
| Outer back and side trim upholstery | Warm tan PU leather with chrome accent strips | |
| Internal support frame | 12 mm thick plywood reinforced with steel tubing | |
| Seat and back padding | High-density polyurethane foam | |
| Armrests | Padded PU leather surface over rigid structural core | |
| Five-star base | Polished chrome-plated 1.5 mm thick steel | |
| Gas lift | Class 2 50 mm diameter chrome-plated steel gas lift | |
| Casters | Black nylon dual-wheel casters with chrome mounting stems | |
| Mechanism chassis | 2.5 mm thick steel tilt-lock mechanism | |
| Side accent strips | Polished chrome-plated metal trim | |
| 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 rotation enabled by central swivel joint between seat and base | |
|---|---|---|
| Pneumatic seat height adjustment | 130 mm vertical travel via class 2 gas lift | |
| Backrest tilt function | 15-degree maximum recline with tension adjustment knob | |
| Tilt lock feature | Locking mechanism secures backrest in upright locked position | |
| Smooth rolling mobility | Dual-wheel casters operate on carpet and hard floor surfaces | |
| Integrated head support | Segmented top back section provides fixed head and neck support | |
| Contoured lumbar support | Raised middle back segment delivers built-in lumbar support | |
| Fixed padded arm support | Non-adjustable armrests support elbows at typing height for desk work | |
| 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 | Fits high-end executive workspaces paired with L-shaped executive desks | |
|---|---|---|
| Managerial workstations | Suitable for department manager desks in corporate office environments | |
| Conference meeting rooms | Can be used at head-of-table positions in formal boardroom settings | |
| Home office executive setups | Appropriate for premium home office workspaces with luxury décor | |
| Commercial reception areas | Not recommended; caster swivel design is optimized for desk-based use instead of guest seating | |
| 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 dimensional and safety requirements for office task seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to mechanical stability and strength performance requirements | |
| 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 safety and performance testing standards | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-duty office chair capacity testing for users up to 159 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture dimension measurement tolerances for seating products | |
|---|---|---|
| GB/T 22792.1-2009 | Applies to stability, strength and durability requirements for office chairs | |
| GB 18584-2001 | Applies to limit of harmful substances for wooden and upholstered furniture |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture dimension measurement tolerances for seating products; 2. GB/T 22792.1-2009: Applies to stability, strength and durability requirements for office chairs; 3. GB 18584-2001: Applies to limit of harmful substances for wooden and upholstered furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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