| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions | 770 x 740 x 1400 mm | |
|---|---|---|
| seat width | 550 mm | |
| seat depth | 500 mm | |
| adjustable seat height (from floor) | 500 mm | |
| backrest total height | 900 mm | |
| seat cushion thickness | 140 mm | |
| five-star base span diameter | 700 mm | |
| caster diameter | 50 mm | |
| armrest height (from seat surface) | 220 mm | |
| extended footrest length | 400 mm | |
| integrated headrest size | 320 x 200 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 | 25 kg | |
|---|---|---|
| maximum static load capacity | 227 kg | |
| upholstery abrasion resistance | 50000 double rubs | |
| seat foam density | 45 kg/m³ | |
| back foam density | 35 kg/m³ | |
| foam rebound rate | 60% | |
| gas lift stroke | 100 mm | |
| caster rolling durability | 50000 rolling cycles | |
| recline mechanism cycle life | 30000 cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| upholstery | 1.2mm thick light grey PU faux leather, stain-resistant surface | |
|---|---|---|
| seat cushion fill | 140mm thick high-density polyurethane foam, wrapped with soft top layer | |
| backrest fill | Contoured high-resilience polyurethane foam, integrated lumbar padding | |
| inner frame | 15mm thick plywood core reinforced with 1.2mm steel bracing | |
| five-star base | 1.5mm thick chrome-plated polished steel, corrosion-resistant finish | |
| casters | 50mm diameter silent PU wheels with chrome rims, non-marking for hard floors | |
| armrests | Fixed padded armrests wrapped in matching grey PU leather, rigid inner support | |
| gas lift | Class 3 steel gas lift, 50mm outer tube diameter, SGS-tested | |
| recline mechanism | 2.5mm thick steel chassis, side-mounted chrome adjustment lever | |
| retractable footrest | Padded PU surface over steel support frame, chrome metal sliding track | |
| upholstery stitching | 8 stitches per 30mm seam length, reinforced edge 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 swivel bearing on five-star base | |
|---|---|---|
| seat height adjustment | 100mm vertical travel controlled by right-side lever under seat | |
| recline function | Maximum 165-degree lockable recline, adjustable tension for body weight | |
| retractable footrest | Pull-out design slides from under seat, supports legs in reclined position | |
| integrated head support | Fixed padded headrest aligned to support cervical spine in upright or reclined positions | |
| contoured lumbar support | Built-in padded lumbar section aligns to natural lower back curve | |
| fixed padded armrests | Padded surface supports forearms in upright working position, no height adjustment | |
| smooth mobility | Five dual casters enable rolling movement on hard floors and low-pile carpet | |
| 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
| carton dimensions | 920 x 720 x 620 mm | |
|---|---|---|
| gross packaged weight | 25 kg | |
| 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 office workspace | Suitable for executive offices, supports long-duration seated work and short rest breaks | |
|---|---|---|
| home office study | Fits domestic workspaces, combines professional function and modern light grey aesthetic | |
| manager meeting rooms | Appropriate for manager or director meeting spaces requiring comfortable executive seating | |
| reception lounge areas | Can be used in high-end reception areas for visitor and executive seating | |
| nap break use case | Recline function and footrest support short rest periods during workday breaks | |
| hard floor environments | Non-marking PU casters are suitable for marble, tile, and hardwood office floors | |
| commercial office procurement | Meets standard commercial office durability requirements for daily 8-hour use | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to office chair dimensional safety and ergonomic requirement verification | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and durability performance verification | |
| EN 1022:2018 | Applies to office chair stability testing for all use positions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and durability performance verification |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimension measurement and tolerance verification | |
|---|---|---|
| GB 28007-2011 | Applies to office chair stability, strength, and durability safety requirements | |
| GB/T 16799-2008 | Applies to PU leather upholstery material performance verification |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimension measurement and tolerance verification; 2. GB 28007-2011: Applies to office chair stability, strength, and durability safety requirements; 3. GB/T 16799-2008: Applies to PU leather upholstery material performance verification; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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