| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 720 × 700 × 1150 mm | |
|---|---|---|
| Five-star base diameter | 700 mm | |
| Seat width | 540 mm | |
| Seat depth (upright) | 500 mm | |
| Seat height adjustment range (from floor) | 530 mm | |
| Backrest total height (from seat pan) | 750 mm | |
| Armrest height from floor | 650 mm | |
| Extended footrest length (from seat front) | 400 mm | |
| Caster wheel diameter | 50 mm | |
| Armrest pad width | 80 mm | |
| Headrest cushion thickness | 120 mm | |
| Seat cushion thickness | 120 mm | |
| Footrest width | 520 mm | |
| Backrest lumbar padding thickness | 100 mm | |
| Gas lift outer diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Net weight reference | 39 kg | |
|---|---|---|
| Recommended maximum static load | 150 kg | |
| Gas lift expected cycle life | 50000 lifts | |
| Caster rolling durability | ≥40000 rolling cycles | |
| Recline angle range | 160degrees | |
| Seat height adjustment travel | 100 mm | |
| Foam compression set resistance | ≤10% after 50000 compression cycles | |
| Leather upholstery abrasion resistance | ≥50000 Martindale cycles | |
| Recline mechanism cycle life | ≥20000 recline cycles | |
| Static tipping resistance | ≥10° forward/backward tilt without tipping | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg | |
| Gas-lift Cycling Reference | Acceptance target 100000 cycles | |
| Upholstery Seam Pitch | 4 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Upholstery | Taupe quilted leather-look material (available in bonded leather, microfiber leather, or top-grain cowhide per supplier tier) | |
|---|---|---|
| Seat cushion fill | 45kg/m³ high-resilience polyurethane foam with 120mm thickness | |
| Backrest fill | 40kg/m³ high-density polyurethane foam, segmented padding for lumbar and headrest support | |
| Five-star base | 1.8mm thick polished chrome-plated steel | |
| Armrest structure | Polished chrome-plated steel support brackets with upholstered padded arm pads | |
| Internal frame | 1.5mm thick steel tube frame with reinforced plywood seat pan | |
| Recline mechanism chassis | 3mm thick steel tilt and electric recline mechanism plate | |
| Gas lift | Class 4 chrome-plated steel gas lift, 50mm outer diameter | |
| Casters | PU-coated dual-wheel casters with 50mm diameter, chrome-plated fork | |
| Stitching/seam details | 30mm stitch pitch, matching taupe polyester thread | |
| Footrest padding | 20mm thick high-density foam with matching taupe upholstery | |
| Electric control panel | Black ABS plastic control panel with membrane buttons, mounted on seat underside right side, connected to 24V DC recline actuator | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel | |
| 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 | |
| Reference Color Count | Recommended 5upholstery colors and 2base finishes |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel | Full 360° horizontal rotation enabled by the five-star base and central swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm height adjustment via right-side control lever, locks at any position within travel | |
| Electric power recline | Backrest reclines smoothly from 95° upright to 160° reclined position via side-mounted control buttons, locks at user-selected angle | |
| Extendable upholstered footrest | Pull-out/electric extending footrest extends 400mm from seat front, retracts flush under seat when not in use | |
| Tilt tension adjustment | Adjustable recline tension knob to match user weight for controlled lean-back resistance | |
| Dual-wheel caster mobility | Smooth rolling on hard wood, tile, and low-pile carpet floors, 360° caster rotation for easy movement | |
| Fixed padded armrests | Fixed height armrests with soft padded surfaces to support forearms during upright working position | |
| Integrated segmented lumbar and head support | Pre-curved segmented back padding provides built-in head, upper back, and lumbar support without separate adjustable cushions | |
| Integrated segmented ergonomic support | Pre-curved segmented back padding with built-in 100mm lumbar protrusion and 120mm headrest cushion provides neck, upper back, and lumbar support without separate adjustable cushions | |
| Recline position memory | [Optional, to confirm with supplier] 2 preset memory positions for upright work and full recline rest positions, accessible via side control panel | |
| 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
| Carton count | 1 unit per carton | |
|---|---|---|
| Packed carton dimensions | 850 × 750 × 680 mm | |
| Gross weight per carton | 45 kg | |
| Packaging volume | 0.43 CBM per unit | |
| Assembly time | 20 minutes per unit | |
| 40ft HQ container loading quantity | 155 units | |
| 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 |
Recommended spaces / users / usage modes
| Executive private office | Suitable for C-suite, manager, and director private offices, with premium executive styling and recline function for work breaks | |
|---|---|---|
| Home office study | Suitable for high-end home office use, with recline and footrest for napping during long work-from-home days | |
| Commercial meeting/boardroom | Suitable for formal boardrooms as chairman/leadership seating, with durable construction for daily commercial use | |
| Height-matched desk recommendation | Pair with 760 mm height standard executive desks for correct ergonomic arm and leg alignment | |
| Floor surface compatibility | Suitable for use on hardwood, tile, laminate, and low-pile carpet floors via standard PU dual-wheel casters | |
| User suitability | Designed for adult users 195 cm tall, with 150kg maximum load capacity for extended daily use | |
| Executive lounge annex | Suitable for placement in executive lounge or office rest annex areas for casual meetings and rest, with recline function supporting relaxed seating positions | |
| 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 dimensional, safety, and strength requirements for commercial office seating | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair stability, strength, and durability testing requirements for daily use | |
| EN 1021-1:2014 | Applicable for upholstered furniture cigarette ignition resistance fire safety requirement |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety, durability, and structural performance requirements, including 150kg load rating validation |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office chair dimensional tolerance and stability testing requirements, used as acceptance reference for size and tipping risk | |
|---|---|---|
| GB/T 10357.2-2013 | Applicable for office chair backrest static load and fatigue testing, minimum 760N static load required for commercial use | |
| GB/T 10357.3-2013 | Applicable for seat static load and impact testing, minimum 1600N static load and 120mm impact drop test requirement | |
| GB 28007-2011 | Applicable for upholstered furniture formaldehyde emission limit, ≤0.05mg/m³ emission requirement for indoor office use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office chair dimensional tolerance and stability testing requirements, used as acceptance reference for size and tipping risk; 2. GB/T 10357.2-2013: Applicable for office chair backrest static load and fatigue testing, minimum 760N static load required for commercial use; 3. GB/T 10357.3-2013: Applicable for seat static load and impact testing, minimum 1600N static load and 120mm impact drop test requirement; 4. GB 28007-2011: Applicable for upholstered furniture formaldehyde emission limit, ≤0.05mg/m³ emission requirement for indoor office use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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