| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 700 × 700 × 1260 mm | |
|---|---|---|
| Backrest height | 730 mm | |
| Seat width | 480 mm | |
| Seat depth | 450 mm | |
| Seat cushion thickness | 80 mm | |
| Seat height adjustment range | 550 mm | |
| Armrest height above seat | 210 mm | |
| Backrest width at top | 445 mm | |
| Overall backrest outer width | 575 mm | |
| Five-star base diameter | 700 mm | |
| Total armrest height from floor | 750 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 | 159 kg | |
|---|---|---|
| Five-star base static load rating | 1136 kg | |
| Gas lift adjustment cycle durability | 100000 cycles | |
| Seat foam density | 50 kg/m³ | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Caster rolling durability | 100000 cycles | |
| Chair net weight | 18 kg | |
| Recline angle range | 120 degrees | |
| 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 | 1.0 mm thick black PU faux leather | |
|---|---|---|
| Seat core padding | 50 kg/m³ high-density polyurethane foam | |
| Backrest padding | 40 kg/m³ molded polyurethane foam | |
| Armrest pads | 20 mm thick PU foam wrapped in matching faux leather | |
| Armrest support frames | 1.5 mm thick chrome-plated steel tubing | |
| Five-star base | 2.0 mm thick chrome-plated steel | |
| Gas lift cylinder | Class 3 chrome-plated steel, 50 mm outer diameter | |
| Tilt mechanism chassis | 3.0 mm thick stamped steel with tension adjustment | |
| Casters | 50 mm diameter dual-wheel PU-coated nylon, non-marking | |
| Seam construction | 8 mm stitch pitch, bonded polyester thread | |
| 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 height adjustment | 100 mm vertical stroke via side lever | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central gas lift bearing | |
| Locking tilt mechanism | Locks in upright position with adjustable tension knob | |
| Recline function | Up to 30 degrees backward tilt from upright position | |
| Fixed padded armrests | Rigid support with 210mm height above seat for forearm rest | |
| Mobility function | Dual-wheel casters roll on hard wood, tile and low-pile carpet | |
| Lumbar support | Contoured mid-back curve built into padded backrest | |
| 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
| 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 | |
| Reference Carton Volume | 0.26 m³/set | |
| Indicative 20GP Loading | 135 sets at 85% space utilization | |
| Indicative 40HQ Loading | 320 sets at 85% space utilization |
Recommended spaces / users / usage modes
| Executive private offices | Fits standard 760 mm height executive desks with professional aesthetic | |
|---|---|---|
| Corporate meeting rooms | Formal high-back design supports extended meeting sessions for attendees | |
| Home office workspaces | Compact 700mm footprint fits standard home desk layouts without excess space | |
| Managerial workstations | Padded support and height adjustment suit 8+ hour daily desk use | |
| Reception and visitor areas | Polished chrome and black finish delivers professional first impression | |
| Commercial co-working spaces | Durable upholstery and base withstand frequent multi-user daily use | |
| 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 to office chair dimensional safety and performance requirements for EU market | |
|---|---|---|
| EN 1335-2:2018 | Applicable to office chair strength, durability and stability testing for EU market | |
| EN 1335-3:2009 | Applicable to office chair structural test methods for EU market compliance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable to general-purpose office chair performance and safety requirements for North America | |
|---|---|---|
| BIFMA X5.1-2017 Clause 5 | Applicable to static load, cyclic load and impact testing for seating components |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable to office chair dimensional, stability and strength testing for Chinese market | |
|---|---|---|
| GB 28007-2011 | Applicable to office chair safety requirements for general office use | |
| GB/T 10357.3-2013 | Applicable to chair strength and durability testing for office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable to office chair dimensional, stability and strength testing for Chinese market; 2. GB 28007-2011: Applicable to office chair safety requirements for general office use; 3. GB/T 10357.3-2013: Applicable to chair strength and durability testing for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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