| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (max height) | 700 x 730 x 1340 mm | |
|---|---|---|
| Backrest width | 500 mm | |
| Seat depth | 530 mm | |
| Maximum seat height | 540 mm | |
| Minimum seat height | 460 mm | |
| Backrest height from seat surface (max) | 730 mm | |
| Five-star base diameter | 700 mm | |
| Headrest pad dimensions | 380 x 200 x 80 mm | |
| Seat cushion width | 530 mm | |
| Armrest height from seat surface | 220 mm | |
| Gas lift exposed stroke length | 80 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
| Recommended maximum static load | 159 kg | |
|---|---|---|
| Net weight (chair only) | 20 kg | |
| Tilt maximum recline angle | 20 degrees | |
| Gas lift class rating | Class 3 | |
| Caster rolling durability cycles | 100000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 55% | |
| Seam stitch pitch | 8 stitches per 30mm | |
| 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 brown PU/faux leather | |
|---|---|---|
| Seat padding | 80mm thick high-density molded polyurethane foam | |
| Backrest padding | 60mm thick contoured polyurethane foam | |
| Integrated armrests | Fully upholstered curved armrests with padded PU cover, 15mm plywood core | |
| Five-star base | 1.5mm thick polished chrome-plated steel | |
| Gas lift cylinder | 50mm diameter chrome-plated steel Class 3 pneumatic cylinder | |
| Tilt mechanism | 3mm thick steel plate swivel tilt mechanism with tension adjustment | |
| Casters | 60mm diameter black polyurethane twin-wheel casters | |
| Internal back frame | 12mm thick molded plywood frame for back support | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° rotation enabled by central swivel bearing between seat and base | |
|---|---|---|
| Pneumatic seat height adjustment | 80mm vertical adjustment via Class 3 gas lift, operated by side lever | |
| Back tilt function | Up to 20° backward tilt with adjustable tension control via under-seat knob | |
| Tilt position lock | Lock upright position, release for free tilt via tilt control lever | |
| Smooth floor mobility | 5 twin-wheel PU casters allow omnidirectional movement on hard and carpeted floors | |
| Waterfall seat edge design | Contoured front seat edge reduces thigh pressure during long sitting periods | |
| Integrated head support | Fixed padded headrest integrated into high back provides cervical support | |
| Wrap-around arm support | Fixed integrated curved armrests support forearms at natural seated height | |
| 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
| Export carton dimensions | 880 x 720 x 450 mm | |
|---|---|---|
| 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 CEO/manager private offices, professional formal aesthetic | |
|---|---|---|
| Conference room seating | Suitable for boardroom or formal meeting room executive seating | |
| Home office workspace | Suitable for premium home office setups for long-duration desk work | |
| Reception executive area | Suitable for high-end reception waiting areas for executive visitors | |
| Adjustment for standard desk heights | Fits standard 760 mm height office desks due to 540 mm seat height | |
| Hard and soft floor compatibility | PU casters work safely on hardwood, tile, and low-pile carpet floors | |
| 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
| Office seating safety applicability | EN 1335:2018 | |
|---|---|---|
| Office seating dimensions applicability | EN 1335:2020 | |
| Castor durability applicability | EN 12529:1999 |
US and Canada office-furniture standards
| Office chair general purpose applicability | ANSI/BIFMA X2017 | |
|---|---|---|
| Gas lift safety applicability | BIFMA X2019 |
Standards applicable to China-market projects
| Office chair strength and durability applicability | GB/T 10357.2 | |
|---|---|---|
| Upholstered furniture safety applicability | GB 20400 | |
| Office chair safety applicability | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability applicability: GB/T 10357.2; 2. Upholstered furniture safety applicability: GB 20400; 3. Office chair safety applicability: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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