| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 660 x 700 x 1230 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 490 mm | |
| Seat height range | 540 mm | |
| Backrest height above seat | 720 mm | |
| Backrest width (widest lumbar point) | 480 mm | |
| Integrated headrest height above backrest | 160 mm | |
| Armrest height above seat | 280 mm | |
| Armrest length | 240 mm | |
| Five-star base diameter | 700 mm | |
| Seat cushion thickness | 100 mm | |
| Backrest cushion thickness | 80 mm | |
| Integrated headrest dimensions | 320 mm wide x 160 mm tall | |
| Armrest top pad dimensions | 240 mm long x 80 mm wide | |
| Caster diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm |
Net weight / load capacity / users / durability
| Net weight range | 22 kg | |
|---|---|---|
| Maximum recommended static load | 136 kg (300 lbs) | |
| Seat cushion foam density | 55 kg/m³ high resilience polyurethane | |
| Backrest cushion foam density | 45 kg/m³ high resilience polyurethane | |
| Foam rebound rate | 65% | |
| Caster rolling durability | ≥100,000 rolling cycles | |
| Seat sliding wear resistance (upholstery) | ≥50,000 Martindale cycles | |
| Seam stitch pitch | 10stitches per 50mm | |
| Recommended user height range | 190 cm | |
| Gas lift durability | ≥100,000 height adjustment cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat, backrest and headrest upholstery | Taupe brown smooth leather or PU leather | |
|---|---|---|
| Cushion core padding | High-density molded polyurethane foam | |
| Inner backrest frame | 15 mm thick plywood or welded steel frame | |
| Armrest support structure | Die-cast aluminum alloy with champagne bronze finish | |
| Armrest top pads | Same taupe brown upholstery over soft foam | |
| Five-star base | Polished die-cast aluminum alloy | |
| Gas lift cylinder | Chrome-plated steel SGS Class 3 gas lift | |
| Height adjustment mechanism | 3 mm thick steel tilt-lock chassis | |
| Casters | 50mm diameter black nylon twin-wheel casters | |
| Tilt tension adjuster | Black plastic tension knob | |
| Seat cushion core padding | 55 kg/m³ high-density molded polyurethane foam, 100 mm thick | |
| Backrest cushion core padding | 45 kg/m³ high-density molded polyurethane foam, 80 mm thick |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical stroke via Class 3 gas lift, actuated by left-side paddle lever | |
|---|---|---|
| 360-degree swivel rotation | Full unobstructed 360° horizontal rotation around gas lift axis | |
| Synchro-tilt backrest recline | Backrest tilts up to 15 degrees from upright position, with synced seat tilt of 5 degrees | |
| Tilt position locking | Locks at 2 positions (fully upright, mid-recline) via left control lever | |
| Caster mobility | Dual-wheel casters roll freely on hard floors and low-pile carpet, brake not fitted | |
| Fixed height armrests | Non-adjustable padded armrests positioned at standard desk arm height | |
| Integrated cervical support | Curved fixed padded headrest section at top of backrest, aligned to neck height when reclined | |
| Lumbar contour support | Ergonomic curved backrest shaping providing passive lumbar support at 220 mm above seat | |
| Synchro-tilt recline | Backrest tilts up to 15° from upright position, with synced 5° seat tilt to maintain leg angle, reducing thigh pressure during recline | |
| Tilt resistance adjustment | Tension adjusted via front-right rotary knob, adjustable to match user weights 136 kg for personalized recline resistance | |
| Passive lumbar support | Ergonomic forward-curved backrest shaping providing passive lumbar support 220 mm above seat surface, matching natural lumbar lordosis | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Reference shipping carton dimensions | 780 x 680 x 580 mm | |
| Reference gross shipping weight | 26 kg | |
| Reference shipping volume (CBM) | 0.31 CBM per unit | |
| assembly time | 15 minutes per unit | |
| Reference 20ft GP container loading quantity | 180 units | |
| Reference 40ft HQ container loading quantity | 420 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 office | Suited for senior management workstations, matching dark wood or modern laminate executive desks for formal professional appearance | |
|---|---|---|
| Corporate conference rooms | Appropriate for boardroom and meeting room seating for long 3 hour meetings, providing upright and reclined postural support | |
| Home office executive setups | Suitable for premium home workspaces for professionals requiring all-day seating comfort with a refined aesthetic | |
| Managerial open-plan workstations | Usable for department manager workstations, combining professional appearance with ergonomic adjustment functionality | |
| Reception and VIP waiting areas | Suitable for formal guest seating in executive reception zones, presenting a polished, high-end visual impression | |
| Executive reception and VIP waiting areas | Suitable for formal guest seating in executive reception and VIP waiting zones, presenting a polished, high-end visual impression | |
| Private consultation rooms | Appropriate for legal, financial and executive consultation rooms, providing comfortable supportive seating for 2 hour client meetings | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Applicable office chair safety standard | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - safety requirements | |
|---|---|---|
| Applicable upholstery durability standard | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| Applicable caster standard | EN 12529:2010 Castors and wheels - Castors for office furniture | |
| Office chair dimensional safety reference | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - safety requirements | |
| Office chair mechanical safety reference | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| Caster performance reference | EN 12529:2010 Castors and wheels - Castors for office furniture |
US and Canada office-furniture standards
| Applicable office chair performance standard | ANSI/BIFMA X2017Office Chairs - Tests | |
|---|---|---|
| Applicable caster performance standard | ANSI/BIFMA X2019Casters | |
| Office chair performance reference | ANSI/BIFMA X2017Office Chairs - Tests | |
| Caster performance reference | ANSI/BIFMA X2019Casters |
Standards applicable to China-market projects
| Applicable standard for office chair safety | GB/T 3324General technical requirements for wooden furniture | |
|---|---|---|
| Applicable standard for upholstered furniture durability | GB/T 26397Office furniture upholstered office chair | |
| Applicable standard for hazardous substances | GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | |
| Office chair structural safety reference | GB/T 26397Office furniture - Upholstered office chair | |
| Hazardous substance limit reference | GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture | |
| Hardware durability reference | GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools |
This product must meet the following technical requirements: 1. Applicable standard for office chair safety: GB/T 3324General technical requirements for wooden furniture; 2. Applicable standard for upholstered furniture durability: GB/T 26397Office furniture upholstered office chair; 3. Applicable standard for hazardous substances: GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture; 4. Office chair structural safety reference: GB/T 26397Office furniture - Upholstered office chair; 5. Hazardous substance limit reference: GB 18584Indoor decorating and refurbishing materials - Limit of harmful substances of wood based furniture; 6. Hardware durability reference: GB/T 10357.3Test of mechanical properties of furniture - Strength and durability of chairs and stools; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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