| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1280 mm | |
|---|---|---|
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range (floor to seat top) | 500 mm | |
| Backrest height (seat top to headrest top) | 780 mm | |
| Backrest width | 500 mm | |
| Armrest height (seat top to arm top) | 220 mm | |
| Armrest width (pad surface) | 60 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
| Recommended maximum user weight | 150 kg | |
|---|---|---|
| Chair net weight range | 22 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Caster rolling durability | 100000 cycles | |
| Gas lift cycle rating | 100000 cycles | |
| Leather abrasion resistance (Martindale) | 80000 cycles | |
| Seam stitch pitch | 8 stitches per 50 mm | |
| 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 | Black top-grain leather surface with matching split leather side panels | |
|---|---|---|
| Seat and back padding | Molded cold-cure polyurethane foam with layered density zones | |
| Internal frame | Plywood-reinforced steel tube frame under seat and backrest | |
| Armrests | Polished die-cast aluminum outer frame with black leather-padded top surface | |
| Five-star base | Polished die-cast aluminum five-leg base with chrome-plated central column | |
| Gas lift cylinder | Black-coated steel Class 3 pneumatic height-adjustment cylinder | |
| Tilt mechanism | Black powder-coated steel multi-function tilt chassis under seat | |
| Casters | Black nylon dual-wheel casters with metal mounting stems | |
| 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 | |
| Caster Engineering Specification | 5 PU-tread swivel casters, 60 mm diameter |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic lift via right-side lever, adjusts seat height from lowest to highest position over a 100 mm travel range | |
|---|---|---|
| Backrest tilt and lock | Multi-function mechanism enables backrest recline up to 13° and locks in multiple positions | |
| Seat tilt synchronicity | Synchro-tilt mechanism links seat and backrest movement at an imate 1:2 ratio for balanced recline | |
| 360-degree swivel | Full continuous rotation around central gas lift column for full workspace access | |
| Mobility | Five dual-wheel casters enable smooth rolling on hard and low-pile carpet surfaces, with 360° steering per caster | |
| Fixed headrest support | Integrated padded headrest provides neck and head support aligned to the upper backrest, with no separate angle adjustment | |
| Fixed armrests | Ergonomically angled padded armrests provide forearm support at a fixed height relative to the seat | |
| 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 configuration | 1 chair per carton, KD (knocked-down) with seat, backrest, arms, base, gas lift, and casters packed separately | |
|---|---|---|
| Carton dimensions | 820 x 620 x 420 mm | |
| Gross weight per carton | 25 kg | |
| Volume per carton (CBM) | 0.214 m³ | |
| Assembly time per unit | 30 minutes | |
| 20 ft container loading quantity | 180 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 office suites | Suitable for private executive and manager offices, providing premium ergonomic support for long daily work hours | |
|---|---|---|
| Boardroom and meeting rooms | Ideal for conference room head-of-table and senior attendee seating, matching formal corporate interior design styles | |
| High-end co-working and serviced offices | Appropriate for premium co-working private offices and client-facing work areas to elevate workspace perception | |
| Home office premium setups | Suitable for home executive offices where commercial-grade durability and leather aesthetic are desired | |
| Design studios and creative offices | Fits modern minimalist and contemporary office interiors with its polished aluminum frame and clean lines | |
| 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, strength, and durability requirements for executive work chairs | |
|---|---|---|
| EN 1022-2018 | Applicable for office chair stability testing under static and dynamic loading conditions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | Applicable for general requirements for office chairs including strength, durability, and stability testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2020 | Applicable for caster durability testing on office chair bases and floor surfaces |
Standards applicable to China-market projects
| GB/T 14728-2018 | Applicable for office chair stability, strength, and durability testing requirements for executive seating | |
|---|---|---|
| GB 28007-2011 | Applicable for limit of harmful substances in upholstered furniture leather and foam components |
This product must meet the following technical requirements: 1. GB/T 14728-2018: Applicable for office chair stability, strength, and durability testing requirements for executive seating; 2. GB 28007-2011: Applicable for limit of harmful substances in upholstered furniture leather and foam components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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