| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 640 x 630 x 950 mm | |
|---|---|---|
| Seat height adjustment range | 420 mm to 520 mm | |
| Seat cushion dimensions (W x D) | 510 x 490 mm | |
| Seat cushion foam thickness | 65 mm | |
| Backrest dimensions (W x H) | 500 x 470 mm | |
| Backrest foam thickness | 55 mm | |
| Armrest height above seat | 200 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 50 mm | |
| Minimum knee clearance under seat | 120 mm | |
| Gas lift outer 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
| Recommended user weight capacity | 150 kg | |
|---|---|---|
| Chair net weight (without packaging) | 17 kg | |
| Tilt mechanism lock angle | 12 degrees | |
| Seat swivel rotation | 360 degrees | |
| Caster rolling durability | 40000 cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Gas lift static load rating | 250 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Burgundy faux leather (PU) with matching edge stitching | |
|---|---|---|
| Outer shell frame | White molded high-impact polypropylene (PP) | |
| Internal seat support board | 12 mm thick molded plywood | |
| Seat cushion padding | High-density polyurethane foam | |
| Backrest padding | Medium-density polyurethane foam | |
| Five-star base | Polished die-cast aluminum alloy with 3 mm wall thickness | |
| Gas lift cylinder | Chrome-plated steel class 3 pneumatic lift | |
| Tilt mechanism | 2.5 mm thick black powder-coated steel plate | |
| Adjustment levers | Black nylon-coated steel control levers | |
| Casters | Dual-wheel black nylon with PU tread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Dual-lever mechanism adjusts seat height 100 mm via gas lift, activated by left-side lever to align seat height with user desk and leg length | |
|---|---|---|
| Backrest tilt and lock | Right-side lever activates tilt function, allowing 12 degree backward recline with lockable upright position for meeting or task use | |
| 360-degree swivel rotation | Central swivel joint enables full 360 degree rotation without position lock, allowing easy access to surrounding work surfaces | |
| Smooth rolling mobility | Five dual-wheel casters allow rolling movement across hard wood, tile and low-pile carpet floors without floor scratching | |
| Integrated fixed armrests | Loop-style armrests integrated into the outer shell provide fixed elbow support at 200 mm above seat surface, no height or width adjustment | |
| Upright posture support | Contoured mid-height backrest provides lumbar support without headrest, suited for upright seated positions during meetings or focused desk work | |
| Recline Angle / Lock Reference | 125° with 3 suggested 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
| Packaged carton count | 1 unit per carton | |
|---|---|---|
| Single carton dimensions (L x W x H) | 680 x 650 x 580 mm | |
| Packaged gross weight per carton | 20 kg | |
| Packaged volume (CBM) per unit | 0.256 CBM | |
| Assembly time per unit | 30 minutes | |
| 20ft GP container loading quantity | 110 units | |
| 40ft HQ container loading quantity | 270 units | |
| Recommended warranty period for commercial use | 3 years | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive office private workstations | Suitable for placement behind executive desks, matching modern office decor with burgundy and white two-tone styling and ergonomic adjustment for daily desk work | |
|---|---|---|
| Corporate conference and meeting rooms | Suited for boardroom and meeting room seating, with upright posture support and professional appearance for long meetings | |
| Modern coworking open offices | Appropriate for open plan coworking spaces, with swivel and rolling mobility enabling flexible desk sharing and easy reconfiguration | |
| Home office study spaces | Fits residential home office setups, with compact footprint and stylish two-tone appearance suitable for modern home interiors | |
| Guest and visitor seating areas | Can be used in manager office guest seating positions, providing comfortable mobile seating for short-duration visitor use | |
| Hospitality executive lounge seating | Suitable for premium hospitality lounge areas, with durable upholstery and polished base creating an upscale modern aesthetic | |
| 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 applicability | Applies to dimensional and safety requirements for office work chairs, for verifying ergonomic seat dimensions, clearance and adjustment ranges | |
|---|---|---|
| EN 1335-2:2018 applicability | Applies to structural safety, strength and stability requirements for office seating, including load and durability performance criteria | |
| EN 1335-3:2009 applicability | Applies to test methods for verifying compliance with EN 1335 safety requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 applicability | Applies to general-purpose office chair performance requirements, including static load, cyclic durability, stability and caster rolling tests, recommended as minimum acceptance criteria for commercial installations |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 applicability | Applies to size measurement and dimensional tolerance requirements for office seating, for verification of seat height, width, depth and clearance dimensions during incoming inspection | |
|---|---|---|
| GB/T 10357.2-2013 applicability | Applies to mechanical performance testing of chair stability, to verify front/side/rear stability under static and dynamic load | |
| GB/T 10357.3-2013 applicability | Applies to strength and durability testing of chair seats, backs and armrests, including static load, fatigue and impact testing for commercial use |
This product must meet the following technical requirements: 1. GB/T 3326-2016 applicability: Applies to size measurement and dimensional tolerance requirements for office seating, for verification of seat height, width, depth and clearance dimensions during incoming inspection; 2. GB/T 10357.2-2013 applicability: Applies to mechanical performance testing of chair stability, to verify front/side/rear stability under static and dynamic load; 3. GB/T 10357.3-2013 applicability: Applies to strength and durability testing of chair seats, backs and armrests, including static load, fatigue and impact testing for commercial use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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