| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 720 × 770 × 1335 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
| Net weight | 28 kg | |
|---|---|---|
| Recommended static load capacity | 160 kg | |
| Foam density (seat/back) | 50 kg/m³ | |
| Gas lift cycle rating | 100000 cycles | |
| Seat upholstery abrasion resistance | 50000 Martindale cycles | |
| Caster rolling durability | 40000 cycles | |
| Tilt mechanism lock positions | 4 positions | |
| Warranty period | 3 years | |
| 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 | 1.4 mm thick black top-grain cowhide | |
|---|---|---|
| Seat core padding | 80 mm thick high-resilience polyurethane foam | |
| Backrest padding | 60 mm thick contoured high-density foam | |
| Armrest construction | Solid polished bentwood with clear environmental lacquer finish | |
| 5-star base | 70 mm thick solid hardwood with polished varnish | |
| Internal seat frame | 15 mm thick multilayer birch plywood | |
| Gas lift | 65 mm diameter chrome-plated Class 3 steel gas lift | |
| Tilt chassis | 3 mm thick steel plate knee-tilt mechanism | |
| Casters | 50 mm diameter PU silent swivel casters | |
| Hardware fasteners | Zinc-plated steel KD assembly hardware | |
| Seam stitching | 8 mm stitch pitch heavy-duty nylon thread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation via central swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 80 mm vertical adjustment via side-activated gas lift lever | |
| Knee-tilt recline function | 15° maximum backward tilt with 4-position lock | |
| Tilt tension adjustment | User-adjustable spring tension for variable user weight | |
| Fixed ergonomic arm support | Curved solid wood armrests positioned for seated elbow support | |
| Smooth rolling mobility | Dual-wheel PU casters suitable for hard floors and low-pile carpet | |
| Integrated lumbar support | Contoured padded lumbar zone built into backrest structure | |
| Waterfall seat edge | Curved front seat edge to reduce leg pressure during long seating | |
| 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 | Suits senior manager and executive desks for formal professional workspaces | |
|---|---|---|
| Boardroom meeting space | Provides elevated formal seating for conference room lead positions | |
| Home executive office | Suitable for premium residential workspaces requiring classic formal styling | |
| VIP reception area | Creates a polished, authoritative impression for executive visitor seating | |
| Long-duration desk work | Ergonomic padding and support support 4+ hours of continuous seated work | |
| Hard floor office environments | PU casters protect wood, tile and laminate flooring without marring | |
| 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 functional requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability testing | |
| EN 1022:2018 | Applies to domestic and contract seating stability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair durability and safety testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to heavy-duty large-capacity office chair performance requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional stability and size tolerances | |
|---|---|---|
| GB/T 35607-2017 | Applies to green product evaluation requirements for office furniture | |
| 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 office furniture chair dimensional stability and size tolerances; 2. GB/T 35607-2017: Applies to green product evaluation requirements for office furniture; 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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