| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 690 x 740 x 1230 mm | |
|---|---|---|
| Seat width | 560 mm | |
| Seat depth | 500 mm | |
| Seat height range (seat to floor) | 560 mm | |
| Backrest height (seat top to back crest) | 710 mm | |
| Backrest width | 540 mm | |
| Armrest height (floor to arm pad top) | 710 mm | |
| Five-star base diameter | 700 mm | |
| Cushion thickness | 80 mm | |
| Backrest padding thickness | 50 mm | |
| Caster diameter | 60 mm | |
| Gas lift visible chrome column diameter | 50 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 | 181 kg | |
|---|---|---|
| Net weight per unit | 19 kg | |
| Seat swivel range | 360 degrees | |
| Maximum back tilt angle | 15 degrees | |
| Five-star base static load capacity | 1136 kg | |
| Seam stitch pitch | 8 mm | |
| Warranty period (structural components) | 5 years | |
| Available color options | 6 variants | |
| 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 burgundy PU faux leather | |
|---|---|---|
| Seat cushion padding | 45 kg/m³ high-density polyurethane foam | |
| Backrest padding | 40 kg/m³ high-density polyurethane foam | |
| Armrest support frames | 1.5 mm thick polished chrome-plated steel | |
| Armrest pad tops | Matching burgundy PU upholstery over 10 mm foam | |
| Five-star base | 2.0 mm thick polished chrome-plated steel | |
| Central gas lift column | Chrome-plated Class 3 steel pneumatic cylinder | |
| Casters | Black dual-wheel polyurethane casters with chrome accent rings | |
| Seat mechanism plate | 2.5 mm thick black powder-coated steel | |
| Internal seat frame | 1.2 mm thick welded steel support frame | |
| 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
| Pneumatic seat height adjustment | Operated by side lever, 120 mm vertical stroke to match desk heights | |
|---|---|---|
| Backrest tilt function | Lockable tilt with tension adjustment knob, locks at upright position | |
| Full 360-degree swivel rotation | Smooth rotation enabled by central bearing between seat and base | |
| Fixed padded armrest support | Static arm position aligned to standard desk arm height, no height/width adjustment | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet, 360-degree caster rotation | |
| Integrated lumbar support zone | Contoured raised section in lower backrest for posture support | |
| Tilt tension adjustment | Rotating knob under seat adjusts recline resistance to match user weight | |
| 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
| Carton external dimensions | 850 x 650 x 700 mm | |
|---|---|---|
| Gross weight per carton | 22 kg | |
| 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 | Formal high-back support for long-duration desk work for senior management | |
|---|---|---|
| Home office workspace | Suitable for remote professionals seeking supportive, stylish desk seating | |
| Senior management meeting room | Provides comfortable fixed-position seating for long boardroom discussions | |
| Executive reception area | Creates a professional first impression in visitor or managerial waiting zones | |
| Recommended paired furniture | 730 mm high executive desks, matching leather visitor chairs, chrome office storage units | |
| Target user group | Adult users between 155 cm and 190 cm tall, for 8 hours daily desk use | |
| 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 1335-1:2020 | Applies to office chair dimensional, safety, and strength requirements for European market procurement | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical performance requirements and stability testing standards | |
| EN 1021-1:2014 | Applies to upholstered furniture ignition resistance for smoldering cigarette sources |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability, and structural performance for North American procurement |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional accuracy and stability requirements for domestic Chinese procurement | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to mechanical strength and durability test methods for office chair seating components | |
| GB 18584-2001 | Applies to limit of harmful substances in wooden/furniture upholstery materials for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability requirements for domestic Chinese procurement; 2. GB/T 10357.3-2013: Applies to mechanical strength and durability test methods for office chair seating components; 3. GB 18584-2001: Applies to limit of harmful substances in wooden/furniture upholstery materials for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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