| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 680 x 1270 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 490 mm | |
| Seat height range (floor to seat top) | 540 mm | |
| Backrest height | 750 mm | |
| Backrest width | 520 mm | |
| Armrest height (seat to arm top) | 190 mm | |
| Caster diameter | 50 mm | |
| Seat cushion thickness | 80 mm | |
| Backrest lumbar padding thickness | 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
| Recommended static weight capacity | 150 kg | |
|---|---|---|
| Net weight reference | 35 kg | |
| Recline maximum angle | 15 degrees | |
| Seat height adjustment stroke | 100 mm | |
| Foam density (seat/back) | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Warranty period (mechanical parts) | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | Glossy dark brown top-grain leather, 1.2mm thickness | |
|---|---|---|
| Armrests | Polished dark brown solid hardwood, lacquered finish | |
| Side support frames | Stained solid wood with molded trim panels, high-gloss clear coat | |
| Seat and back padding | High-density polyurethane foam, contoured mold cut | |
| Internal seat frame | 15mm thick multilayer plywood substrate | |
| Tilt mechanism plate | 3mm thick cold-rolled steel, black powder coated | |
| Gas lift | Class 3 steel pneumatic cylinder, 50mm outer diameter | |
| Casters | Black nylon twin-wheel casters with metal stems, mute rolling design | |
| Stitching | High-tensile polyester thread, 8mm seam pitch | |
| Base feet | Solid wood wrapped supports with integrated caster mounts | |
| 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 swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm stroke controlled by lever under left armrest | |
| Backrest recline with tension adjustment | 15-degree maximum tilt with user-adjustable tilt tension knob | |
| Upright position locking | Locks backrest in fully vertical position for formal task work | |
| Mobile rolling function | Four twin-wheel casters support smooth movement on hard or carpeted floors | |
| Contoured lumbar support | Integrated raised lumbar pad built into segmented backrest | |
| Fixed padded armrest support | Curved wood armrests provide stable forearm support at fixed height | |
| 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
| Private executive office use | Suits senior management workspaces for 4+ hour daily sitting | |
|---|---|---|
| Boardroom/conference room placement | Formal traditional design suitable for high-level meeting spaces | |
| Home office study application | Mobile, comfortable design works for premium residential workspaces | |
| Executive reception/visitor seating | Sturdy construction and formal appearance suit reception areas for senior guests | |
| Recommended complementary furniture | Pairs with 760 mm height traditional wooden executive desks for matching set | |
| Floor surface compatibility | Twin-wheel casters work safely on hard tile, wood floors and low-pile carpet | |
| 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 | Defines dimensional and safety requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Specifies strength, durability and stability requirements for office chairs | |
| EN 1021-1:2014 | Sets flammability resistance for upholstered furniture (cigarette ignition) |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Industry standard for general-purpose office chair safety and durability |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional stability and strength requirements for office wooden furniture | |
|---|---|---|
| GB/T 16799-2008 | Applies to performance requirements for furniture-use leather upholstery | |
| GB 28007-2011 | Applies to mechanical safety requirements for office swivel chairs |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional stability and strength requirements for office wooden furniture; 2. GB/T 16799-2008: Applies to performance requirements for furniture-use leather upholstery; 3. GB 28007-2011: Applies to mechanical safety requirements for office swivel chairs; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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