| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1280 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 480 mm | |
| Backrest height | 720 mm | |
| Backrest width | 500 mm | |
| Headrest width | 280 mm | |
| Headrest depth | 150 mm | |
| Armrest height from seat | 200 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 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 reference | 25 kg | |
|---|---|---|
| Recommended maximum user weight | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Gas lift static load rating | 1000 kg | |
| Base static load rating | 1200 kg | |
| Caster rolling durability | 100000 cycles | |
| Tilt angle range | 135 degrees | |
| 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 | Smooth black leather-faced cover with bonded leather construction | |
|---|---|---|
| Headrest pad | Foam-padded cylindrical cushion with matching leather-faced cover | |
| Seat and back foam | Polyurethane foam padding of medium-high density | |
| Internal frame | Plywood and steel inner support frame under upholstery | |
| Armrests | Black PP top pad mounted on black steel or nylon support bracket | |
| Five-star base | Black nylon reinforced 5-leg base | |
| Gas lift cylinder | Steel pneumatic height-adjustment cylinder with black outer sleeve | |
| Tilt mechanism | Steel chassis with control levers under the seat | |
| Casters | Black twin-wheel swivel casters with hard tread | |
| 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
| Seat height adjustment | Pneumatic height adjustment via side lever, providing vertical travel up to 100 mm | |
|---|---|---|
| Backrest tilt and lock | Synchronous or knee-tilt mechanism with multiple lock positions, reclining up to 135 degrees from upright | |
| Headrest support | Fixed-position cylindrical headrest for upper neck and head support | |
| Swivel function | 360-degree full rotation around the central gas lift axis | |
| Mobility | 5 dual-wheel swivel casters for smooth rolling on hard and carpeted floors | |
| Fixed armrests | Fixed-height armrests with flat top pads for forearm support | |
| Tilt tension control | Under-seat knob or lever for adjusting backrest recline resistance | |
| 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
| Packaging units | 1 carton per chair | |
|---|---|---|
| Carton dimensions | 750 x 650 x 450 mm | |
| Gross weight per carton | 28 kg | |
| Volume per carton | 0.22 m³ | |
| Assembly time | 50 minutes | |
| 20ft container loading quantity | 200 units | |
| Warranty reference | 5 years | |
| 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 offices | Suitable for senior management workstations requiring a formal leather aesthetic and ergonomic tilt support | |
|---|---|---|
| Conference rooms | Suitable for meeting rooms with long-duration seated discussions and presentation sessions | |
| Reception and waiting areas | Suitable for premium visitor seating in lobbies and client waiting zones | |
| Home office premium setups | Suitable for high-end home workspaces seeking executive styling and adjustable height function | |
| Control rooms and monitoring stations | Suitable for long-shift workstation environments requiring recline and headrest support | |
| 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 for office chair dimensions, safety and stability requirements | |
|---|---|---|
| EN 1335-2:2019 | Applicable for office chair strength, durability and safety testing |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general office chairs performance and durability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2020 | Applicable for chair caster durability and rolling resistance testing |
Standards applicable to China-market projects
| GB/T 14710-2009 | Applicable for stability, strength and durability testing of office chairs | |
|---|---|---|
| GB/T 3323-2019 | Applicable for metal furniture general technical requirements for steel structural parts |
This product must meet the following technical requirements: 1. GB/T 14710-2009: Applicable for stability, strength and durability testing of office chairs; 2. GB/T 3323-2019: Applicable for metal furniture general technical requirements for steel structural parts; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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