| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 680 x 1090 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 490 mm | |
| Adjustable seat height range | 540 mm | |
| Backrest height | 670 mm | |
| Backrest width | 520 mm | |
| Adjustable arm height | 730 mm | |
| Five-star base diameter | 700 mm | |
| Retractable footrest extension length | 300 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest padding thickness | 80 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 227 kg | |
|---|---|---|
| Net weight (assembled) | 25 kg | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Leather upholstery abrasion resistance | 50000 cycles | |
| Gas lift static load rating | 150 kg | |
| Recline maximum angle | 160 degrees | |
| Caster rolling durability cycles | 50000 cycles | |
| Limited warranty period (structural components) | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Top-grain vintage brown leather, 1.4mm thickness | |
|---|---|---|
| Internal seat/back shell | 12mm multi-layer curved plywood, wood veneer edge trim | |
| Cushion padding | High-density polyurethane foam, fire-retardant treatment optional | |
| Armrests | Solid polished hardwood, stained vintage brown finish, fixed curved design | |
| Five-star base | Solid hardwood, 30mm thick cross-section, lacquered finish | |
| Reinforcement frame | 1.5mm thick steel tube, anti-rust powder coating | |
| Gas lift | Class 3 chrome-plated steel, 65mm tube diameter, 100mm stroke | |
| Tilt chassis | 3mm thick steel plate, black electrophoretic finish | |
| Casters | 60mm diameter PU soft tread, black nylon bracket, 5 units total | |
| Stitching | Nylon bonded thread, 8 stitches per inch seam pitch | |
| Control panel trim | Black plastic bezel, metal adjustment switches | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full rotation enabled by central swivel joint, no lock restriction | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical travel via side lever, locks at set height | |
| Recline tilt function | 160degree backward tilt, adjustable tension knob, infinite position lock | |
| Retractable built-in footrest | Pull-out padded leg rest, tucks fully under seat when not in use | |
| Tilt tension adjustment | Knob-controlled resistance to match user weight and recline preference | |
| Smooth rolling mobility | 5 PU casters suitable for hard floors and low-pile carpet | |
| Fixed curved armrest support | Padded wood armrests positioned for relaxed forearm support during work | |
| Contoured lumbar support | Built-in curved lumbar padding matches natural lower back curve | |
| 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 | Fits premium manager/executive desk setups for formal business environments | |
|---|---|---|
| Home office workspace | Suitable for premium home study or remote work spaces requiring recline comfort | |
| Executive boardroom | Appropriate for high-end meeting rooms and director-level conference spaces | |
| Long-session desk work | Supports 8+ hour daily seated use with ergonomic padding and adjustment | |
| VIP reception spaces | Suitable for high-level client meeting or reception seating areas | |
| User height range | Fits users 190 cm tall via adjustable seat height and recline | |
| 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
| EN 1335-1:2000 | Applies to dimensional and safety requirements for office task seating | |
|---|---|---|
| EN 1335-2:2009 | Applies to strength, durability and stability test methods for office chairs | |
| EN 1021-1:2014 | Applies to upholstered furniture ignitability resistance to smoldering cigarettes |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and durability test standards |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to size measurement standards for office seating furniture | |
|---|---|---|
| GB/T 35607-2017 | Applies to stability, strength and durability test requirements for office chairs | |
| GB 20210-2006 | Applies to fire safety requirements for upholstered office furniture components |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to size measurement standards for office seating furniture; 2. GB/T 35607-2017: Applies to stability, strength and durability test requirements for office chairs; 3. GB 20210-2006: Applies to fire safety requirements for upholstered office furniture components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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