| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 800 x 770 x 1335 mm | |
|---|---|---|
| Seat depth | 550 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 user weight capacity | 250 kg | |
|---|---|---|
| Net weight | 34 kg | |
| Gross packaged weight | 60 kg | |
| Gas lift cycle durability | 300000 cycles | |
| Seat foam density | 50 kg/m³ | |
| Recline angle range | 135 degrees | |
| Seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Top-grain brown cowhide leather with precision contrast stitching | |
|---|---|---|
| Seat and back padding | 50kg/m³ high-density molded resilient polyurethane foam | |
| Frame and side trim | Polished North American ash solid wood with clear glossy lacquer finish | |
| Armrests | Carved solid wood supports with padded leather top pads | |
| Five-star base | Solid carved polished wood with reinforced center hub | |
| Gas lift | Chrome-plated steel BIFMA-rated pneumatic cylinder | |
| Tilt mechanism | 3mm thick steel plate knee-tilt chassis with tension adjustment | |
| Casters | 50mm diameter black PU soft-wheel universal casters | |
| Internal support structure | 15mm thick multi-layer bent plywood seat/back support panels | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel | Full rotation enabled by central gas lift and bearing assembly | |
|---|---|---|
| Pneumatic height adjustment | 65mm stroke adjustment controlled by side lever under seat | |
| Knee-tilt recline | 135-degree maximum back recline with 4-position lockable positions | |
| Tilt tension adjustment | Rotary knob on left side panel adjusts recline resistance for user weight | |
| Smooth mobility | Five dual-wheel PU casters roll on hard floors and low-pile carpet | |
| Fixed padded armrests | Sturdy carved wood arms support forearms at fixed ergonomic height | |
| Lumbar support | Contoured padded backrest with built-in raised lumbar cushion | |
| Gas lift stroke | 65 mm | |
| 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 CEO/manager offices for premium traditional professional aesthetic | |
|---|---|---|
| Boardroom meeting spaces | Serves as premium seating for formal conference and board rooms | |
| Home executive workspaces | Suits high-end home offices requiring classic luxury professional design | |
| Executive reception areas | Provides upscale guest seating for high-level visitor meeting spaces | |
| Single user dedicated use | Designed for individual extended daily office work of 4+ hours | |
| 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 safety strength | EN 1335:2018 | |
|---|---|---|
| Office chair ergonomic dimensions | EN 1335:2020 |
US and Canada office-furniture standards
| Office chair general durability | ANSI/BIFMA X2017 | |
|---|---|---|
| Gas lift performance rating | ANSI/BIFMA X5.1 Clause 8 |
Standards applicable to China-market projects
| Office chair strength and durability | GB/T 3326 | |
|---|---|---|
| Leather furniture safety | GB 20400 | |
| Office chair gas lift safety | GB/T 29413 |
This product must meet the following technical requirements: 1. Office chair strength and durability: GB/T 3326; 2. Leather furniture safety: GB 20400; 3. Office chair gas lift safety: GB/T 29413; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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