| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 760 x 780 x 1200 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
| Product net weight | 38 kg | |
|---|---|---|
| Maximum static load capacity | 180 kg | |
| Gas lift stroke | 80 mm | |
| Tilt lock angle range | 120degrees | |
| Recommended user weight | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 40 kg/m³ | |
| Caster rolling durability | 50000 cycles | |
| Warranty period | 36 months | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Top-grain brown cowhide leather | |
|---|---|---|
| Backrest upholstery | Top-grain brown cowhide leather with diamond tufting | |
| Frame and trim | Solid carved mahogany-stained hardwood | |
| Five-star base | Solid polished hardwood | |
| Seat cushion core | High-density polyurethane molded foam | |
| Backrest core | Medium-density polyurethane foam with padded lumbar support | |
| Gas lift | Class 3 chrome-plated steel gas lift | |
| Tilt mechanism | 3mm thick steel butterfly tilt chassis | |
| Armrest pads | Padded leather-wrapped tops mounted on solid wood supports | |
| Casters | 50mm diameter black nylon twin-wheel casters | |
| Stitching details | Light beige contrast stitching with 8mm seam pitch | |
| Decorative crest | Carved solid wood shell ornament at backrest top |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 80mm travel | |
|---|---|---|
| Backrest recline | Tilt function with tension adjustment via left-side knob, lockable at 3 positions | |
| 360-degree swivel | Full rotation around central gas lift axis for easy workspace access | |
| Smooth rolling mobility | Five dual-wheel casters allow omnidirectional movement on hard floors and low-pile carpet | |
| Tufted back support | Diamond tufted back provides distributed lumbar and upper back support | |
| Padded arm support | Wide padded armrests reduce forearm pressure during extended work sessions | |
| Stain-resistant leather surface | Smooth finished leather allows easy wiping and cleaning of spills | |
| 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 office spaces | Suits C-suite and management offices for traditional professional aesthetic | |
|---|---|---|
| Traditional boardrooms | Pairs with solid wood conference tables for formal meeting spaces | |
| Home executive offices | Ideal for luxury home workspaces requiring classic upscale styling | |
| Law and finance professional offices | Matches traditional formal interior design for client-facing spaces | |
| Hard floor office environments | Nylon casters suitable for wood, tile and polished concrete flooring | |
| 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 | Office furniture - Office work chairs - Part 1: Dimensions, applicable to ergonomic dimension compliance | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - Office work chairs - Part 2: Safety requirements, applicable for structural safety validation | |
| EN 1335-3:2009 | Office furniture - Office work chairs - Part 3: Test methods, applicable for durability performance testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 7 | Static load testing for backrest and seat, recommended 180kg static load verification |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture, applicable to solid wood frame components | |
|---|---|---|
| GB/T 16799-2008 | Furnitureuseleather requirements, applicable to upholstery material performance | |
| GB 28007-2011 | Strength and durability requirements for office chairs, applicable for structural performance validation |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture, applicable to solid wood frame components; 2. GB/T 16799-2008: Furnitureuseleather requirements, applicable to upholstery material performance; 3. GB 28007-2011: Strength and durability requirements for office chairs, applicable for structural performance validation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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