| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 800 x 720 x 1300 mm | |
|---|---|---|
| Inner seat width | 540 mm | |
| Seat depth | 540 mm | |
| Marked seat dimension reference | 740 mm | |
| Backrest height | 800 mm | |
| Adjustable seat height range | 560 mm | |
| Five-star base diameter | 700 mm | |
| Armrest height above seat | 220 mm | |
| Backrest width | 560 mm | |
| Caster wheel diameter | 60 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 | 45 kg | |
|---|---|---|
| Recommended static load capacity | 227 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 40 kg/m³ | |
| Gas lift cycle rating | 120000 cycles | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Caster rolling durability | 50 km | |
| Standard warranty period | 3 years | |
| 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 | 1.2 mm thick black PU faux leather | |
|---|---|---|
| Seat padding | 100 mm thick high-density polyurethane foam | |
| Backrest padding | 80 mm thick high-density polyurethane foam | |
| Armrests | Polished solid hardwood with clear wear-resistant lacquer finish | |
| Five-star base | Polished solid hardwood with lacquer finish, 30 mm thick cross-section | |
| Internal frame | 1.5 mm thick shaped plywood inner support structure | |
| Recline mechanism | 3 mm thick steel chassis with tension adjustment | |
| Gas lift | Class 3 steel gas lift with chrome finish | |
| Caster wheels | 60 mm diameter PU dual-wheel casters | |
| Seam construction | 8 stitches per 30 mm reinforced matching thread stitching | |
| 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 360° rotation enabled by central swivel joint between base and seat | |
|---|---|---|
| Seat height adjustment | 100 mm vertical travel via gas lift, operated by side lever | |
| Backrest recline function | 135° maximum recline angle with infinite position lock | |
| Tilt tension adjustment | Adjustable resistance knob modulates recline force to match user weight | |
| Mobility function | Dual-wheel PU casters allow smooth rolling on hard floors and low-pile carpet | |
| Fixed armrest support | Curved wood armrests provide stable elbow support at fixed seated height | |
| Ergonomic lumbar support | Segmented contoured back padding delivers built-in mid-back lumbar support | |
| 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 use | Suitable for director/manager workstations, providing long-session seated comfort | |
|---|---|---|
| Boardroom and meeting space use | Formal wood trim matches professional conference room decor | |
| Home office executive setup | Formal appearance works in dedicated home workspaces for senior users | |
| Recommended daily use duration | 8 hours continuous use, aligned with commercial office furniture standards | |
| Floor compatibility | PU casters are safe for wood, tile, and low-pile carpet floors without additional mats | |
| Available color options | Black upholstery with polished medium walnut wood finish as standard, customizable on request | |
| 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 seating safety | EN 1335:2018 | |
|---|---|---|
| Office seating stability | EN 1022:2018 | |
| Furniture surface durability | EN 15187:2006 |
US and Canada office-furniture standards
| Office chair performance standard | ANSI/BIFMA X2017 | |
|---|---|---|
| Caster performance standard | ANSI/BIFMA X2019 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 10357.3 | |
|---|---|---|
| Formaldehyde emission limits | GB 18580 | |
| Leather/faux leather safety | GB 20400 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 10357.3; 2. Formaldehyde emission limits: GB 18580; 3. Leather/faux leather safety: GB 20400; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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