| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 665 x 680 x 1260 mm | |
|---|---|---|
| Backrest width | 505 mm | |
| Backrest height (excluding headrest) | 595 mm | |
| Headrest height | 95 mm | |
| Seat width | 510 mm | |
| Seat depth | 440 mm | |
| Maximum seat height | 565 mm | |
| Minimum seat height | 465 mm | |
| Maximum armrest height above seat | 240 mm | |
| Five-star base diameter | 680 mm | |
| Maximum total armrest height from floor | 745 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 user weight capacity | 159 kg | |
|---|---|---|
| Seat foam density | 50 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Foam rebound rate | 55% | |
| Back mesh abrasion resistance | 30000 Martindale cycles | |
| Gas lift cycle durability | 100000 adjustment cycles | |
| Tilt mechanism cycle durability | 300000 recline cycles | |
| Net weight range | 26 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest upholstery | Tensioned nylon-polyester blend mesh | |
|---|---|---|
| Seat cushion | High-density polyurethane foam with fabric upholstery | |
| Back frame | Glass-fiber reinforced nylon composite | |
| Armrest supports | Injection-molded nylon with height adjustment mechanism | |
| Armrest pads | Soft molded polyurethane padding | |
| Five-star base | Reinforced nylon composite | |
| Gas lift cylinder | Steel with black powder-coated finish | |
| Casters | PU-coated swivel casters, 60 mm diameter | |
| Chassis mechanism | 2.5 mm thick stamped steel | |
| Headrest padding | Molded foam with mesh upholstery | |
| 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
| Seat height adjustment | Stepless gas lift adjustment with 100 mm vertical travel | |
|---|---|---|
| Headrest adjustment | 100 mm vertical travel with 60° pivot rotation | |
| Armrest adjustment | 70 mm vertical height adjustment with 35° rotational adjustment | |
| Tilt recline function | 30° recline range from 90° upright to 120° reclined position | |
| Tilt lock function | 1 upright lock position with tension adjustment knob | |
| Lumbar support | Contoured segmented static lumbar zone aligned to natural spine curve | |
| Swivel function | 360° full rotation around central gas lift axis | |
| Mobility function | Smooth rolling on all hard and soft floor surfaces via dual-wheel casters | |
| 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
| Corporate open office workstations | Suitable for daily 8-hour seated use with ergonomic support for desk-based staff | |
|---|---|---|
| Home office and study spaces | Compact footprint fits standard home desk setups for remote work and study | |
| Conference and meeting rooms | Professional neutral grey finish and swivel function suit collaborative meeting spaces | |
| Co-working shared workspaces | Durable construction and standard adjustment range suit multi-user rotation use | |
| Computer gaming and hobby workstations | Adjustable support works for extended seated sessions during leisure or hobby activities | |
| Administrative and reception workstations | Professional appearance and mobility suit front-desk and administrative roles | |
| 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 furniture safety standard | EN 1335:2020 | |
|---|---|---|
| Upholstery fabric durability | EN 14465:2005 |
US and Canada office-furniture standards
| Office chair performance standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Static load capacity for five-star base | 113 kg | |
| Caster rolling durability | 2000 obstacle cycles |
Standards applicable to China-market projects
| Office chair safety standard | GB/T 22792.1 | |
|---|---|---|
| Formaldehyde emission standard | GB 18584 |
This product must meet the following technical requirements: 1. Office chair safety standard: GB/T 22792.1; 2. Formaldehyde emission standard: GB 18584; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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