| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 680 x 1200 mm | |
|---|---|---|
| Seat height adjustment range | 420 mm to 520 mm | |
| Seat width | 510 mm | |
| Seat depth | 490 mm | |
| Seat foam thickness | 80 mm | |
| Backrest height | 780 mm | |
| Backrest width | 500 mm | |
| Backrest foam thickness | 60 mm | |
| Armrest height from seat | 220 mm | |
| 5-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Integrated headrest height | 200 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 chair weight | 26 kg | |
|---|---|---|
| Maximum user weight capacity | 150 kg | |
| Backrest recline angle | 135 degrees from upright | |
| Gas lift stroke length | 100 mm | |
| Seat static load capacity | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| Foam density (seat cushion) | 45 kg/m³ | |
| Foam density (backrest) | 35 kg/m³ | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat upholstery | Black horizontally ribbed top-grain leather match | |
|---|---|---|
| Backrest upholstery | Black horizontally ribbed top-grain leather match with integrated padded headrest | |
| Armrest supports | Polished die-cast aluminum rectangular frame arm structure | |
| Armrest pads | Black ribbed upholstered pads matching seat/back material, padded with high-density foam | |
| 5-star base | Polished die-cast aluminum curved 5-leg structure | |
| Central height column | Chrome-plated steel outer sleeve with internal gas lift | |
| Tilt/height adjustment mechanism | 3mm thick powder-coated steel synchro-tilt chassis with black polymer adjustment levers | |
| Internal seat/back frame | 1.8mm thick molded plywood inner support structure for seat and back | |
| Seat padding | High-resilience polyurethane molded foam | |
| Backrest padding | High-resilience polyurethane contoured foam | |
| Casters | 60mm diameter dual-wheel hard nylon casters with polished chrome hub, suitable for hard flooring and low-pile carpet | |
| Gas lift | Class 3 50mm diameter chrome-plated steel gas lift, certified for commercial office use |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, operating 100mm travel to adjust seat height between 420mm and 520mm for compatibility with standard 760 mm desk heights | |
|---|---|---|
| Backrest recline function | Synchro-tilt recline allowing backrest to tilt up to 135 degrees from upright position, with adjustable tension control to match user weight | |
| Recline lock function | Infinite position recline lock to secure backrest at any desired angle within full recline range for task work or relaxed reclining | |
| 360-degree swivel function | Full 360-degree horizontal rotation around central gas lift column for easy access to surrounding workspace without moving the chair base | |
| Mobility function | Smooth rolling movement via five dual-wheel casters on all base legs, suitable for movement across hard wood, tile, and low-pile carpeted office floors | |
| Fixed armrest support | Rigid fixed armrests providing consistent 220mm arm rest height above seat for stable forearm support during typing and meeting tasks | |
| Integrated head support | Contoured padded integrated headrest aligned to support neck and head in both upright and reclined positions for extended work sessions | |
| Lumbar support | Contoured backrest shape with built-in lumbar curvature to support the lower back without separate adjustable lumbar pad | |
| 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
| Number of shipping cartons | 1 carton | |
|---|---|---|
| Shipping carton dimensions | 830 x 680 x 630 mm | |
| Gross shipping weight | 29 kg | |
| Shipping volume per unit | 0.36 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft container load quantity | 160 units | |
| 40ft HQ container load quantity | 390 units | |
| Packaging materials | 5-layer corrugated carton, EPS foam corner protection, plastic dust cover, included hardware kit with hex key and assembly instructions | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private executive office use | Suitable for C-suite and manager private offices, with high-back design and premium polished aluminum finish to match formal executive office decor | |
|---|---|---|
| Open office workstation use | Suitable for senior staff workstations in open plan offices, with standard seat height range compatible with standard commercial office desks | |
| Conference/meeting room use | Suitable for boardroom and meeting room seating, with 360 swivel and stable aluminum base supporting multi-directional movement during meetings | |
| Home office executive use | Suitable for high-end home office setups, with padded head support and recline function supporting extended work sessions from home | |
| Hard floor surface use | Equipped with hard floor suitable nylon casters that roll smoothly without scratching wood, tile or polished concrete office floors | |
| Standard desk compatibility | Matched to work with standard 760 mm height office desks and meeting tables, with adjustable seat height providing proper seated ergonomics for users 190 cm tall | |
| Daily full-shift use | Designed for 8+ hours of daily commercial office use, with dense foam padding and durable construction supporting regular long-duration sitting | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applicable European standard for office chair dimensional, safety and strength requirements for office work chairs | |
|---|---|---|
| EN 1335-2:2018 | Applicable European standard for office chair structural durability, stability, static and cyclic load testing | |
| EN 1021-1:2014 | Applicable European standard for upholstered furniture ignitability resistance to cigarette smolder for office seating fire safety |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Clause 5 | Applicable requirement for caster durability and rolling resistance testing over 100,000 cycles on standard test surfaces |
|---|
Standards applicable to China-market projects
| GB 28007-2011 | Applicable safety standard for office chairs, covering stability, edge safety, structural strength requirements | |
|---|---|---|
| GB/T 16422.2-2014 | Applicable standard for xenon arc light fastness testing of upholstery materials to assess color fading under office lighting |
This product must meet the following technical requirements: 1. GB 28007-2011: Applicable safety standard for office chairs, covering stability, edge safety, structural strength requirements; 2. GB/T 16422.2-2014: Applicable standard for xenon arc light fastness testing of upholstery materials to assess color fading under office lighting; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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