| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 810 x 940 x 1370 mm | |
|---|---|---|
| Adjustable seat height range | 610 mm | |
| Five-star wood base diameter | 686 mm | |
| Seat cushion width | 560 mm | |
| Seat cushion depth | 530 mm | |
| Backrest height | 840 mm | |
| Fixed armrest height above seat | 220 mm | |
| Dual-wheel caster diameter | 50 mm | |
| Seat cushion thickness | 120 mm | |
| Backrest padding thickness | 80 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 | 200 kg | |
|---|---|---|
| Net product weight | 25 kg | |
| Swivel rotation | 360 degrees | |
| Tilt recline maximum angle | 18 degrees | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Foam density (seat/back) | 40D high-resilience foam | |
| Foam rebound rate | 60% | |
| 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 | 1.2mm thick black top-grain match leather | |
|---|---|---|
| Armrests and base construction | Polished mahogany-finished solid hardwood | |
| Inner seat/back frame | 18mm thick multi-layer plywood | |
| Padding material | High-density polyurethane foam | |
| Gas lift cylinder | Class 4 carbon steel pneumatic cylinder | |
| Tilt mechanism plate | 3mm thick cold-rolled steel | |
| Caster material | Black nylon dual-wheel hooded casters | |
| Stitching detail | Contrast heavy-duty polyester thread, 8mm seam pitch | |
| Armrest padding | Matching black leather-wrapped padded tops | |
| 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
| Pneumatic seat height adjustment | Single-lever controlled 180mm vertical travel | |
|---|---|---|
| Spring tilt mechanism | Center-tilt with adjustable tension knob under seat | |
| Upright tilt lock | Single-position lock secures backrest in vertical working position | |
| Caster mobility | Five dual-wheel casters roll on hard floors and low-pile carpet | |
| Fixed armrest support | Solid wood frame with padded leather tops provides fixed elbow support | |
| Contoured segmented back support | Three-zone padded back supports lumbar, mid-back and upper back | |
| 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 use | Formal traditional styling matches senior management private workspaces | |
|---|---|---|
| Managerial workstations | Supports 8+ hour daily seated work for middle and senior managers | |
| Conference room head seating | Formal design suits head-of-table positions in boardrooms | |
| Home office premium workspaces | Upscale appearance fits high-end residential home office layouts | |
| Reception executive waiting areas | Prestigious design creates positive first impression for visiting guests | |
| 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 | Covers strength, durability and stability performance for office seating | |
| EN 1022:2018 | Specifies stability test methods for all domestic and contract seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | North American standard for general-purpose office chair safety and durability |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to desk chair dimensional accuracy and stability requirements for office furniture | |
|---|---|---|
| GB 18584-2001 | Sets mandatory limits for formaldehyde release from wooden furniture components | |
| GB/T 10357.3-2013 | Specifies mechanical strength and durability test methods for office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to desk chair dimensional accuracy and stability requirements for office furniture; 2. GB 18584-2001: Sets mandatory limits for formaldehyde release from wooden furniture components; 3. GB/T 10357.3-2013: Specifies mechanical strength and durability test methods for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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