| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 x 700 x 1270 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 540 mm | |
| Maximum seat height (top of gas lift range) | 540 mm | |
| Maximum armrest height (at highest seat position) | 730 mm | |
| Backrest height | 750 mm | |
| Backrest width | 520 mm | |
| Five-star base diameter | 700 mm | |
| Caster wheel 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 maximum user weight | 159 kg | |
|---|---|---|
| Chair net weight | 28 kg | |
| Caster rolling durability rating | 40000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Standard warranty period | 5 years | |
| Available color options | 6 | |
| 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 | Top-grain dark brown leather with matching contrast stitching | |
|---|---|---|
| Armrest construction | Solid mahogany-finish hardwood with polished clear lacquer topcoat | |
| Five-star base | Solid hardwood with mahogany stain, steel-reinforced center hub | |
| Internal seat core | 15mm thick plywood seat pan with steel corner brackets | |
| Cushion padding | High-density polyurethane molded foam, flame-retardant treated | |
| Caster wheels | Dual-wheel nylon with soft polyurethane tread, floor-friendly hooded design | |
| Stitching details | Heavy-duty bonded polyester thread, 8 stitches per inch seam pitch | |
| Side control knob finish | Matte black plastic/metal tilt tension adjustment dial | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Gas-lift Engineering Specification | Recommended Class 4; outer tube 50 mm; stroke 100 mm | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Class 3 pneumatic gas lift, 120mm vertical travel, side lever operation | |
|---|---|---|
| Swivel function | 360-degree full rotation with sealed ball-bearing swivel joint | |
| Tilt recline function | Spring-loaded tilt mechanism, 15-degree maximum back recline, tension adjustment knob | |
| Tilt lock function | Upright position locking lever secures chair in fixed working posture | |
| Mobility function | Five dual-wheel casters support smooth rolling on carpet and hard flooring | |
| Ergonomic support | Contoured integrated headrest and built-in lumbar padding for spinal alignment | |
| Fixed armrest design | Curved wood armrests positioned at desk working height for forearm support | |
| 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 | Suitable for C-suite and manager workstations with traditional office aesthetic | |
|---|---|---|
| Conference meeting rooms | Appropriate for boardroom seating with professional, authoritative appearance | |
| Traditional style office interiors | Ideal for spaces with mahogany wood trim and classic dark wood furniture collections | |
| Long-duration desk work | Supports 8+ hour seated work with padded support and ergonomic adjustability | |
| Hard and soft flooring environments | Floor-friendly casters operate safely on carpet, hardwood, and tile office floors | |
| 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 | Applicable standard for office chair dimensional and safety requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable standard for office chair structural strength and durability testing | |
| EN 1022:2018 | Applicable standard for seating stability testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable standard for general-purpose office chair safety and performance | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable standard for heavy-duty office seating load requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable standard for office furniture chair dimensional stability and strength testing | |
|---|---|---|
| GB 20210-2006 | Applicable standard for fire safety of upholstered office seating materials | |
| GB/T 10357.3-2013 | Applicable standard for chair static and impact load testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable standard for office furniture chair dimensional stability and strength testing; 2. GB 20210-2006: Applicable standard for fire safety of upholstered office seating materials; 3. GB/T 10357.3-2013: Applicable standard for chair static and impact load testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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