| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 750 x 780 x 1170 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 510 mm | |
| Seat height range (adjustable) | 540 mm | |
| Backrest height | 790 mm | |
| Backrest width | 520 mm | |
| Armrest height above seat | 240 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 100 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 | 20 kg | |
|---|---|---|
| Recommended maximum user weight | 159 kg | |
| Seat foam density | 55 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Backrest static load capacity | 120 kg | |
| Five-star base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism cycle durability | 120000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale rubs | |
| Warranty period | 5 years |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.2mm thick grey PU faux leather | |
|---|---|---|
| Seat and back padding | High-density cold-cured polyurethane foam | |
| Armrest structure | Upholstered padded top with dark wood frame and brown accent panel | |
| Five-star base | Polished die-cast aluminum alloy with 2.5mm wall thickness | |
| Casters | Dual-wheel polyurethane soft casters with metal bearing | |
| Height adjustment gas lift | Class 4 steel gas lift with 50mm outer tube diameter | |
| Tilt mechanism | 2.5mm thick steel plate synchro-tilt chassis | |
| Internal support frame | 1.5mm thick steel inner frame for seat and back | |
| Decorative side panel insert | Vertical brushed metal trim strip | |
| Upholstery stitching | Reinforced vertical stitching with 8mm 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
| Swivel function | 360-degree full rotation around central gas lift post | |
|---|---|---|
| Seat height adjustment | 110mm pneumatic height adjustment via side lever | |
| Tilt function | 12-degree synchro backrest recline with adjustable tension knob | |
| Tilt lock | Lockable in upright position via chassis control lever | |
| Mobility | Smooth rolling on hard floors and low-pile carpet via PU casters | |
| Fixed arm support | Padded fixed armrests for stable forearm support during work | |
| Contoured back support | Vertically channeled high back for upper and mid-back support | |
| Knock-down assembly | Tool-based assembly of base, casters, seat and back components | |
| 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 | Suitable for senior manager offices, professional formal aesthetic matches executive spaces | |
|---|---|---|
| Conference room seating | Appropriate for boardroom and formal meeting room use | |
| Home office workspace | Fits premium home office setups for remote professionals | |
| Client reception area | Suitable for reception seating for executive meeting areas | |
| Commercial co-working private offices | Fits premium enclosed co-working office suites | |
| Standard desk height compatibility | Pairs with 760 mm height standard office desks | |
| Long-duration seated work | Designed for 6+ hours of continuous seated office work | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Office furniture office chair safety requirement | EN 1335:2018 | |
|---|---|---|
| Office furniture office chair dimension requirement | EN 1335:2020 | |
| Office chair fire resistance requirement | EN 1021:2014 |
US and Canada office-furniture standards
| Office chair general purpose performance standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair caster performance requirement | ANSI/BIFMA X2017Clause 17 | |
| Office chair base load requirement | ANSI/BIFMA X2017Clause 12 |
Standards applicable to China-market projects
| Office chair safety structural requirement | GB/T 22792.1 | |
|---|---|---|
| Office chair durability test requirement | GB/T 22792.2 | |
| Upholstered furniture harmful substance limit | GB 18580 |
This product must meet the following technical requirements: 1. Office chair safety structural requirement: GB/T 22792.1; 2. Office chair durability test requirement: GB/T 22792.2; 3. Upholstered furniture harmful substance limit: GB 18580; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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