| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 730 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 508 mm | |
| Seat height (adjustable maximum) | 514 mm | |
| Backrest height | 810 mm | |
| Five-star base diameter | 686 mm | |
| Armrest height from seat | 220 mm | |
| Headrest height from seat | 760 mm | |
| Caster wheel 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
| Recommended static weight capacity | 136 kg | |
|---|---|---|
| Net weight () | 22 kg | |
| Tilt lock angle range | 135 degrees | |
| Gas lift stroke length | 100 mm | |
| Seat foam density | 45 kg/m³ | |
| Back foam thickness | 80 mm | |
| Caster rolling durability | 100000 cycles | |
| Seam stitch pitch | 8 stitches per inch | |
| 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 PU faux leather with matte light gray finish | |
|---|---|---|
| Seat and back padding | High-density polyurethane foam with 30% rebound rate | |
| Armrest caps | Solid walnut-stained hardwood, 15mm thick, mounted on padded PU armrest bases | |
| Five-star base | 2mm thick polished chrome-plated steel, welded spoke construction | |
| Gas lift column | Chrome-plated steel, Class 3 rated for standard office use | |
| Tilt mechanism | 3mm thick steel butterfly tilt plate with tension adjustment knob | |
| Caster wheels | Black nylon dual-wheel casters with metal roller bearings | |
| Internal seat frame | 14mm thick multi-layer plywood support board | |
| 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 | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat height 76mm between minimum and maximum settings | |
|---|---|---|
| Tilt function | Synchronized seat-and-back tilt with adjustable tension control and upright position lock | |
| Swivel function | 360-degree full rotation around central gas lift column for multi-directional access | |
| Mobility function | Dual-wheel casters enable smooth rolling on both low-pile carpet and hard flooring | |
| Head support | Integrated segmented fixed headrest provides neck support during upright and reclined seating | |
| Arm support | Fixed padded armrests with wood caps provide stable forearm support aligned to standard desk height | |
| Lumbar support | Contoured padded mid-back section provides built-in lumbar contact without separate adjustment | |
| 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 space | Suitable for CEO/manager private offices, matching premium desk and storage furniture | |
|---|---|---|
| Conference room seating | Usable as host seating in boardrooms and formal meeting spaces | |
| Home office premium setup | Appropriate for high-end residential home offices paired with large executive desks | |
| Reception management areas | Suitable for front desk reception stations in corporate lobbies | |
| Standard 750mm height desk compatibility | Adjustable seat height works with standard commercial office desks 760 mm high | |
| 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
| Office furniture seating safety | EN 1335:2020 | |
|---|---|---|
| Office chair mechanical stability | EN 1728:2014 |
US and Canada office-furniture standards
| Office chair general purpose | ANSI/BIFMA X2017 | |
|---|---|---|
| Office chair durability testing | BIFMA X2017Clause 13 |
Standards applicable to China-market projects
| Office chair structural safety | GB/T 3326 | |
|---|---|---|
| Upholstered furniture durability | GB/T 2017 |
This product must meet the following technical requirements: 1. Office chair structural safety: GB/T 3326; 2. Upholstered furniture durability: GB/T 2017; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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