| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 700 x 1200 mm | |
|---|---|---|
| Seat height adjustable range | 440 to 540 mm | |
| Seat width | 520 mm | |
| Seat depth | 500 mm | |
| Backrest height from seat | 760 mm | |
| Backrest width at lumbar position | 480 mm | |
| Armrest height from seat | 220 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 60 mm | |
| Wood accent panel thickness | 12 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
| Product net weight | 22 kg | |
|---|---|---|
| Maximum recommended static user load | 150 kg | |
| Seat foam density | 45 kg/m³ | |
| Backrest foam density | 35 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 60 mm | |
| Leather upholstery abrasion resistance | 50000 double rubs | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Gas lift cyclic durability | 100000 height adjustment cycles | |
| Caster rolling durability | 100000 rolling cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Full-grain vintage brown leather | |
|---|---|---|
| Side accent panels | Bent dark walnut wood veneer over plywood | |
| Padding material | High-density polyurethane molded foam | |
| Five-star base | Polished die-cast aluminum 30mm diameter legs | |
| Gas lift cylinder | Chrome-plated steel Class 3 gas lift | |
| Tilt and height mechanism | 3mm thick black powder-coated steel multi-function chassis | |
| Armrests | Leather-wrapped padded curved armrests matching seat upholstery | |
| Casters | Black polyurethane dual-wheel hard floor casters | |
| Hardware fasteners | Zinc-plated steel screws and connectors | |
| Seat padding material | 45 kg/m³ high-density polyurethane molded foam | |
| Backrest padding material | 35 kg/m³ high-density polyurethane molded foam | |
| Internal seat support frame | 1.8mm thick powder-coated steel welded frame |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | Pneumatic height adjustment via right-side lever, 100mm vertical stroke, locks at any height within range | |
|---|---|---|
| Backrest tilt function | Synchronized tilt mechanism allowing 12 degree backward recline, with tension adjustment knob for user weight | |
| Swivel function | 360 degree unrestricted horizontal rotation around central gas lift axis | |
| Mobility function | Five dual-wheel casters allow free movement on hard floors and low-pile commercial carpet | |
| Fixed padded armrests | Curved leather-wrapped armrests provide fixed forearm support at desk height, no height or width adjustment | |
| Ergonomic lumbar support | Contoured backrest shape provides built-in fixed lumbar support aligned to natural lower back curve | |
| Tilt lock function | Chassis lever allows locking backrest in upright position for focused work, unlocks for reclined relaxation | |
| Tilt tension adjustment | Front-facing chassis knob adjusts tilt resistance from 20N to 80N to match user weight and preference | |
| 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 | 850 x 650 x 680 mm | |
| Gross shipping weight | 27 kg | |
| Shipping volume per unit | 0.38 CBM | |
| Assembly time on site | 30 minutes | |
| 20ft GP container loading quantity | 78 units | |
| 40ft HQ container loading quantity | 190 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 | Premium leather and wood aesthetic suits C-suite and management private offices, communicating professional sophistication while providing all-day comfort | |
|---|---|---|
| Corporate boardroom seating | Formal contoured design provides comfortable seating for multi-hour board meetings, with stable base and professional appearance | |
| High-end home office | Warm brown leather and wood finish complements residential home office decor, offering commercial-grade durability for daily remote work use | |
| Consulting and client meeting rooms | Premium finish creates a welcoming, professional impression for visiting clients, with swivel and tilt function supporting natural conversation movement | |
| Luxury co-working premium suites | Durable construction and upscale aesthetic are suitable for premium-tier co-working dedicated office spaces, with abrasion-resistant leather holding up to shared use | |
| Reception and waiting area for premium firms | Elegant profile creates a polished first impression for law, finance and design firm reception areas, providing comfortable guest seating | |
| Premium firm reception and waiting area | Elegant profile creates a polished first impression for law, finance and design firm reception areas, providing comfortable guest seating for 30 minute wait times | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| Applicable standard recommendation 1 | EN 1335:2020 Office furniture - Office work chairs - Part 1: Dimensions - Determination of dimensions | |
|---|---|---|
| Applicable standard recommendation 2 | EN 1335:2018 Office furniture - Office work chairs - Part 2: Safety requirements | |
| Applicable standard recommendation 3 | EN 1335:2018 Office furniture - Office work chairs - Part 3: Test methods |
US and Canada office-furniture standards
| Applicable standard recommendation 1 | ANSI/BIFMA X2017Office Chairs - Tests | |
|---|---|---|
| Applicable standard recommendation 2 | ANSI/BIFMA e2019Furniture Sustainability Standard |
Standards applicable to China-market projects
| Applicable standard recommendation 1 | GB/T 3326Furniture - Tables, chairs and stools - Determination of dimensions for office use | |
|---|---|---|
| Applicable standard recommendation 2 | 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 recommendation 1: GB/T 3326Furniture - Tables, chairs and stools - Determination of dimensions for office use; 2. Applicable standard recommendation 2: 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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