| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 720 x 1180 mm | |
|---|---|---|
| Seat height range | 450 mm to 550 mm | |
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Backrest height | 700 mm | |
| Backrest width | 480 mm | |
| Seat cushion thickness | 80 mm | |
| 4-star base diameter | 650 mm | |
| Center column diameter | 50 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 static user load | 150 kg | |
| Seat height adjustment stroke | 100 mm | |
| Swivel rotation range | 360 degrees | |
| Seat foam density | 45 kg/m³ | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Maximum static user load capacity | 150 kg | |
| Pneumatic seat height adjustment stroke | 100 mm | |
| Seat foam indentation load deflection (ILD) | 45 kg/m³ | |
| Backrest foam density | 40 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Smooth amber polyurethane faux leather | |
|---|---|---|
| Outer shell | Curved bent walnut veneer plywood | |
| Edge trim | Contrast light-colored piping | |
| Internal support frame | 12 mm thick molded plywood | |
| Cushion padding | High resilience polyurethane foam | |
| Height adjustment gas lift | Chrome-plated steel Class 3 gas lift | |
| Base structure | Polished die-cast aluminum 4-star fixed base | |
| Adjustment lever | Black powder-coated steel lever | |
| Seat mechanism | 2.5 mm thick steel swivel tilt mechanism | |
| Outer structural shell | Curved bent walnut veneer plywood, 12 mm thick, finished with matte clear lacquer to show wood grain | |
| Seat cushion padding | High resilience polyurethane foam, 80 mm thick, 45 kg/m³ density, 40% rebound rate | |
| Backrest padding | High resilience polyurethane foam, 60 mm thick, 40 kg/m³ density, contoured to support natural lumbar curve |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Side lever controls gas lift to adjust seat height 100 mm to match desk heights from 720 mm to 760 mm | |
|---|---|---|
| 360-degree swivel rotation | Central bearing allows full 360-degree rotation of seat and back without moving the fixed base | |
| Fixed non-rolling base | 4-star polished aluminum base sits directly on floor without casters to prevent unwanted movement in formal meeting spaces | |
| Ergonomic high-back support | Contoured backrest extends to shoulder height to provide upper back support during extended seated work | |
| Integrated curved seat bolsters | Raised side edges on seat cushion provide lateral support without separate armrests for a sleek minimalist profile | |
| Synchronized gentle tilt | Mechanism allows 12-degree backward recline of seat and back with automatic weight tension adjustment | |
| Stationary non-rolling design | 4-star polished aluminum base rests on nylon floor glides with no casters installed, preventing unintended movement in formal meeting and executive spaces | |
| Ergonomic high-back postural support | Contoured 700 mm tall backrest extends to shoulder height, with built-in lumbar curve to support upright seated posture during 8-hour work or meeting sessions | |
| Integrated contoured seat bolsters | Raised 50 mm curved side edges on the seat cushion provide lateral torso and thigh support without separate armrests, maintaining a sleek minimalist profile | |
| Weight-activated synchronized tilt | Steel plate mechanism allows 12-degree backward synchronized recline of seat and back, with automatic tension adjustment to match user weight, lockable in upright position | |
| Non-marring floor protection | Nylon glides on base leg tips distribute 150 kg user load evenly, preventing scratches and scuffs on polished tile, hardwood and vinyl office flooring | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions |
Verified carton / gross weight / assembly / loading data
| Number of shipping cartons | 1 | |
|---|---|---|
| Shipping carton dimensions | 750 x 600 x 550 mm | |
| Gross shipping weight | 26 kg | |
| Shipping volume per unit | 0.25 CBM | |
| Assembly time | 20 minutes | |
| 20ft GP container loading quantity | 108 units | |
| 40ft HQ container loading quantity | 270 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 | Sleek high-back design provides professional appearance and upper back support for senior managers during full work days | |
|---|---|---|
| Formal boardroom meeting spaces | Fixed non-rolling base prevents unwanted movement during meetings, polished finish complements premium meeting room furniture | |
| Corporate reception and visitor areas | Contemporary amber and walnut finish creates welcoming upscale aesthetic for waiting areas | |
| High-end home office | Minimalist armless design fits contemporary residential interiors without bulkier wheeled executive chair profiles | |
| Boutique hotel business centers | Durable contract-grade construction supports frequent multi-user use while maintaining a premium aesthetic | |
| Executive private offices | Sleek high-back walnut and amber design delivers a premium professional appearance, with 8-hour ergonomic support for senior managers working at 760 mm executive desks | |
| Corporate executive reception areas | Contemporary minimalist design creates an upscale welcoming impression for visitors, with padded support for wait times up to 30 minutes | |
| Boutique hotel business centers and executive lounges | Contract-grade 50000 Martindale upholstery supports frequent multi-user use, while the premium finish aligns with upscale hospitality interior standards |
EU Market Access Requirements* EN Standards
| EN 1335-1:2020 | Applies to dimensional and safety requirements for office work chairs, defines ergonomic size ranges for commercial seating | |
|---|---|---|
| EN 1335-2:2018 | Applies to strength, durability and stability test methods for office chairs, defines cyclic test requirements for structural components | |
| EN 1022:2018 | Applies to stability testing for seating, defines requirements to prevent tipping during normal use |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general purpose office chairs, defines test methods for strength, durability, stability and safety of commercial office seating | |
|---|---|---|
| Base static load rating | 1136 kg | |
| BIFMA X5.1 base static load requirement | 1136 kg |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement of office chairs, defines standard test methods for seat height, width, depth and back dimensions | |
|---|---|---|
| GB 28007-2011 | Applies to strength and stability requirements for office chairs, defines static load and durability test criteria | |
| GB/T 19995.1-2005 | Applicable to performance requirements for natural and artificial leather upholstery for furniture, specifies abrasion, colorfastness and tear strength test methods |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement of office chairs, defines standard test methods for seat height, width, depth and back dimensions; 2. GB 28007-2011: Applies to strength and stability requirements for office chairs, defines static load and durability test criteria; 3. GB/T 19995.1-2005: Applicable to performance requirements for natural and artificial leather upholstery for furniture, specifies abrasion, colorfastness and tear strength test methods; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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