| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 760 x 760 x 1210 mm | |
|---|---|---|
| Seat height adjustment range | 450 to 570 mm | |
| Seat cushion width | 550 mm | |
| Seat cushion depth | 520 mm | |
| Backrest total height | 800 mm | |
| Five-star base diameter | 700 mm | |
| Retractable footrest extension length | 420 mm | |
| Armrest height from seat surface | 220 mm | |
| Caster wheel diameter | 60 mm | |
| Integrated headrest height | 180 mm | |
| Seat cushion thickness | 120 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 user weight | 181 kg | |
|---|---|---|
| Net product weight | 23 kg | |
| Backrest recline angle range | 90 to 135 degrees | |
| Gas lift static load rating | 125 kg | |
| Five-star base static load capacity | 1136 kg | |
| Caster rolling durability cycle count | 100000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 45 kg/m³ | |
| Seat foam rebound rate | 45% | |
| Warranty period for mechanical components | 1 year |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black top-grain leather with 1.2mm thickness | |
|---|---|---|
| Seat and back padding | Multi-layer high-density cold-cure foam | |
| Internal support frame | 1.5mm thick reinforced steel tube | |
| Armrest construction | Padded leather top with polished chrome metal end caps | |
| Five-star base | 2mm thick polished chrome-plated steel | |
| Caster wheels | 60mm diameter polyurethane dual wheels on chrome forks | |
| Gas lift cylinder | Chrome-plated steel Class 4 gas lift | |
| Recline mechanism | 3mm thick steel plate with tension adjustment dial | |
| Retractable footrest | Padded leather surface with chrome-plated steel slide rails | |
| Stitching details | 2.5 stitch per centimeter seam pitch | |
| 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 gas lift and caster base | |
|---|---|---|
| Pneumatic seat height adjustment | 120mm vertical travel via gas lift lever | |
| Lockable backrest recline | Locks at any angle between 90 and 135 degrees | |
| Recline tension adjustment | Dial-controlled resistance matching user body weight | |
| Retractable padded footrest | Slides out 420mm from front seat edge for leg support | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet | |
| Integrated ergonomic headrest | Fixed padded support for neck and head during recline | |
| Padded fixed armrests | Wide supportive surface for forearm rest during work and recline | |
| Reclined overall length with footrest deployed | 1650 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
| Shipping carton dimensions | 900 x 600 x 650 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 | Fits high-end manager or director workspaces for daily desk work | |
|---|---|---|
| Home office workspace | Supports long work sessions and reclined rest breaks in residential offices | |
| Conference meeting room | Suitable for senior meeting rooms requiring premium comfortable seating | |
| Executive reception area | Provides premium guest seating for high-level visitor meetings | |
| Long-duration seated work | Thick padding and recline function support 8+ hours of daily use | |
| Nap break use | Reclined position and extended footrest support short rest breaks | |
| 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 chair safety and performance requirement | EN 1335:2018 | |
|---|---|---|
| Office chair dimensional stability requirement | EN 1335:2020 | |
| Furniture caster durability requirement | EN 12529:2008 |
US and Canada office-furniture standards
| Office chair structural durability requirement | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair base load requirement | ANSI/BIFMA X2017Clause 5 | |
| Office chair caster durability requirement | ANSI/BIFMA X2017Clause 12 |
Standards applicable to China-market projects
| Office chair strength and durability requirement | GB/T 10357.3 | |
|---|---|---|
| Upholstered furniture leather safety requirement | GB 20400 | |
| Furniture mechanical safety requirement | GB 28007 |
This product must meet the following technical requirements: 1. Office chair strength and durability requirement: GB/T 10357.3; 2. Upholstered furniture leather safety requirement: GB 20400; 3. Furniture mechanical safety requirement: GB 28007; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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