| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1180 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height (adjustable range maximum) | 520 mm | |
| Backrest total height | 750 mm | |
| Backrest width (lumbar region) | 480 mm | |
| Armrest height above seat | 210 mm | |
| Armrest pad width | 90 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 50 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 | 23 kg | |
|---|---|---|
| Maximum static user weight capacity | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 38 kg/m³ | |
| Gas lift stroke length | 100 mm | |
| Maximum recline angle | 15 degrees | |
| Caster rolling durability | 40000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| 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 | Tan smooth faux leather (PU leather) with visible fine edge stitching | |
|---|---|---|
| Seat core padding | High-density cold-cured polyurethane foam | |
| Backrest core padding | Shaped high-density polyurethane foam with integrated lumbar contour | |
| Integrated armrests | Padded with matching tan faux leather over molded foam core | |
| Five-star base | Polished chrome-plated steel tubing | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| Casters | Black dual-wheel polyurethane casters with metal mounting stems | |
| Internal seat frame | 1.8 mm thick welded steel plate | |
| Tilt mechanism chassis | 2.5 mm thick stamped steel with tension adjustment | |
| 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 rotation | Full 360 degree horizontal rotation enabled by the central gas lift bearing, allows easy access to surrounding desk areas without standing | |
|---|---|---|
| Pneumatic seat height adjustment | Height adjustment via side-mounted lever, adjusts 100 mm between lowest and highest position to match desk heights between 760 mm | |
| Backrest tilt with tension control | Synchronized tilt of seat and backrest with 15 degree maximum recline, adjustable tension knob to match user body weight | |
| Tilt position lock | Lockable in upright working position for focused task work, release lever allows free recline for breaks | |
| Integrated lumbar support | Contoured fixed lumbar support built into the backrest shape, maintains natural spinal curve during seated work | |
| Smooth caster mobility | Dual-wheel PU casters roll freely on hard tile, wood and low-pile carpet flooring without scratching surfaces | |
| Full-height upper back support | Winged high backrest extends to neck height, provides upper back and neck support during long-duration sitting | |
| 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
| Number of shipping cartons | 1 piece | |
|---|---|---|
| Shipping carton dimensions | 870 x 660 x 590 mm | |
| Gross shipping weight | 27 kg | |
| Shipping volume per unit | 0.34 CBM | |
| Assembly time per unit | 20 minutes | |
| 20ft GP container loading quantity | 95 units | |
| 40ft HQ container loading quantity | 230 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Executive private offices | Suitable for manager and executive private offices, the high-back tan leather appearance presents a professional, premium aesthetic | |
|---|---|---|
| Conference and board rooms | Appropriate for boardroom seating around large conference tables, the swivel and recline function supports long meeting durations | |
| Home office workspaces | Suitable for premium home office setups, the neutral tan color coordinates with wood, metal and glass desk designs | |
| Reception and client meeting areas | Usable in client-facing reception areas, the padded ergonomic design provides comfortable seating for visiting guests | |
| Daily 8+ hour work use | Engineered for full-shift office use, high-density foam and contoured support reduce fatigue during extended seated work | |
| Hard flooring environments | PU casters are designed for use on tile, polished concrete and wood flooring without causing surface scratches | |
| 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 | European standard for office furniture - office chairs, specifies dimensional, safety and strength requirements | |
|---|---|---|
| EN 1022:2018 | Standard for furniture seating stability, verifies resistance to tipping during normal use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | North American standard for office chairs, specifies structural durability, load capacity and cyclic performance requirements |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wood and upholstered furniture, specifies finish durability and structural safety |
|---|
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wood and upholstered furniture, specifies finish durability and structural safety; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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