| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (WxDxH) | 700 x 750 x 1220 mm | |
|---|---|---|
| Seat width | 510 mm | |
| Seat depth | 500 mm | |
| Seat height adjustment range | 520 mm | |
| Backrest height | 730 mm | |
| Backrest width | 500 mm | |
| Armrest height from seat | 200 mm | |
| Chrome 5-star base diameter | 680 mm | |
| Caster diameter | 50 mm | |
| Seat foam thickness | 100 mm | |
| Maximum seat height (floor to seat surface) | 520 mm | |
| Minimum seat height (floor to seat surface) | 420 mm | |
| Backrest height (seat surface to back top) | 730 mm | |
| Armrest height from seat surface | 200 mm | |
| Seat foam core thickness | 100 mm | |
| Backrest foam core thickness | 80 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 159 kg | |
|---|---|---|
| Net product weight | 21 kg | |
| Swivel rotation | 360 degrees | |
| Seat foam density | 45 kg/m³ | |
| Foam rebound rate | 40% | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Base static load rating | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Tilt mechanism durability | 250000 cycles | |
| Backrest static load capacity | 91 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Tan smooth leather-look polyurethane (PU) faux leather | |
|---|---|---|
| Integrated armrest upholstery | Matching tan PU faux leather, padded with same foam as seat/back | |
| Seat and back padding | High-resilience polyurethane foam | |
| Internal support frame | 1.5 mm thick welded steel tube frame | |
| 5-star base | Polished chrome-plated steel | |
| Casters | Black nylon dual-wheel hooded casters | |
| Gas lift cylinder | Chrome-plated steel Class 3 pneumatic gas lift | |
| Tilt mechanism | 2.5 mm thick steel butterfly tilt plate | |
| Seam construction | Concealed stitched seams with 8 mm stitch pitch | |
| Back inner support panel | 12 mm thick molded plywood | |
| Armrest internal support | 1.2mm thick bent steel inserts molded into the foam and upholstery, attached directly to the seat frame | |
| Underseat dust cover | Black 1mm thick non-woven polypropylene fabric, stapled to the underside of the seat pan |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Single lever under seat activates gas lift to adjust seat height between 520 mm, locking at any position within travel | |
|---|---|---|
| Backrest tilt function | Tilt mechanism allows 12-degree backward recline from upright position, with adjustable tilt tension and single-position upright lock | |
| Smooth rolling mobility | Five dual-wheel casters allow omnidirectional movement across hard tile and low-pile carpet floors, no brake function visible | |
| Integrated fixed armrest support | Wrap-around padded armrests are fixed at ergonomic elbow height, providing stable arm support during typing and desk work without adjustment | |
| Contoured lumbar and neck support | High-back profile includes built-in curved lumbar contour and integrated headrest bump, providing passive ergonomic support without separate adjustable cushions | |
| Waterfall seat edge design | Rounded front seat edge reduces pressure on back of thighs during extended seated use | |
| Stable anti-tip design | Wide 680 mm diameter 5-star base meets standard office chair stability requirements, preventing tipping during normal recline and movement | |
| Smooth omnidirectional mobility | Five dual-wheel nylon casters allow 360-degree rolling movement across hard tile, polished concrete, finished wood and low-pile (up to 6mm pile height) carpet floors, no integrated brake function | |
| Contoured passive ergonomic support | High-back profile includes built-in 20mm protruding curved lumbar contour and 30mm raised integrated headrest bump, providing neutral spine support without separate adjustable cushions | |
| Tilt tension adjustment | Underseat rotary knob adjusts spring tension to match user weight, increasing resistance for heavier users and reducing resistance for lighter users across the 12-degree recline range | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions (LxWxH) | 750 x 650 x 400 mm | |
| Gross shipping weight | 25 kg | |
| Shipping volume per unit | 0.195 CBM | |
| Required assembly time | 30 minutes | |
| 20ft GP container loading quantity | 168 units | |
| 40ft HQ container loading quantity | 410 units | |
| Included hardware | All required bolts, allen key and assembly instructions included in carton | |
| Included assembly hardware | All required M8 mounting bolts, 4mm allen key, illustrated step-by-step assembly instructions and warranty card included in carton | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive private office | Fits premium executive desk setups, providing professional appearance and ergonomic support for managers and senior staff during long workdays | |
|---|---|---|
| Open-plan office workstation | Suitable for upgraded workstations in modern open offices, supporting 8+ hours of daily seated work with comfort and mobility | |
| Home office workspace | Works for residential home offices, combining stylish contemporary design with functional adjustability for remote work and study use | |
| Formal conference room head seating | Appropriate for head-of-table and presenter seating in formal board and conference rooms, providing a cohesive professional look alongside matching meeting tables and guest chairs | |
| Consulting and client-facing space | Suitable for client meeting rooms in law, finance or design firms, presenting a polished, high-end appearance that balances comfort and professionalism | |
| Hard floor office environments | Nylon casters are optimized for use on ceramic tile, polished concrete and hard wood floors common in modern office spaces without requiring additional caster upgrades | |
| Open-plan senior workstation | Suitable for upgraded workstations in modern open-plan offices for team leads and senior staff, supporting varied task work with swivel, tilt and height adjustment functions | |
| Client-facing professional spaces | Suitable for client meeting rooms in law, finance, consulting and design firms, presenting a polished high-end appearance that balances visual warmth and professional credibility |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Suggested European standard for office chair dimensions, defining ergonomic sizing for task and executive office seating | |
|---|---|---|
| EN 1335-2:2018 | Suggested European standard for office chair safety requirements, covering structural stability, strength and durability | |
| EN 1335-3:2018 | Suggested European standard for office chair test methods, to verify structural performance under repeated use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Suggested North American standard for general-purpose office chairs, covering static load, durability, stability and safety performance requirements for commercial seating | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Suggested standard for big-and-tall office chairs if rated for over 159 kg user weight, covering enhanced load requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Suggested acceptance standard for office chair dimensional accuracy and stability, applicable for desk-use office seating | |
|---|---|---|
| GB/T 10357.3-2013 | Suggested test standard for chair strength and durability, covering static load, impact and fatigue testing for seat, back and armrests | |
| GB 18584-2001 | Suggested indoor air quality standard for furniture, limiting formaldehyde emission from upholstered furniture components for indoor office use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Suggested acceptance standard for office chair dimensional accuracy and stability, applicable for desk-use office seating; 2. GB/T 10357.3-2013: Suggested test standard for chair strength and durability, covering static load, impact and fatigue testing for seat, back and armrests; 3. GB 18584-2001: Suggested indoor air quality standard for furniture, limiting formaldehyde emission from upholstered furniture components for indoor office use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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