| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W×D×H) | 685 × 700 × 1205 mm | |
|---|---|---|
| Seat width | 505 mm | |
| Seat depth | 460 mm | |
| Seat height range from floor | 520 mm | |
| Backrest width | 430 mm | |
| Backrest height from seat surface | 570 mm | |
| Headrest width | 315 mm | |
| Headrest height adjustment travel | 60 mm | |
| Armrest height above seat surface | 265 mm | |
| Five-star base footprint diameter | 700 mm | |
| Armrest pad top height from floor (max) | 710 mm | |
| Seat surface height from floor (lowest) | 435 mm | |
| Headrest top height from seat (max) | 625 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm | |
| Lumbar Support Zone Height | 240 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 150 kg | |
|---|---|---|
| Net weight | 20 kg | |
| Caster rolling durability | 100000 cycles | |
| Gas lift lift cycle rating | 120000 cycles | |
| Seat foam density | 45 kg/m³ | |
| Mesh abrasion resistance | 50000 Martindale cycles | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest surface | Breathable polyester PA mesh | |
|---|---|---|
| Seat cushion core | Molded high-resilience polyurethane foam | |
| Internal back frame | 3mm thick glass-fiber reinforced PA nylon | |
| Five-star base | 1.8mm thick chrome-plated steel | |
| Gas lift column | 50mm diameter Class 4 steel gas lift | |
| Armrest pads | Soft PU padded surface with PP support structure | |
| Casters | 50mm diameter PU universal twin casters | |
| Headrest padding | 20mm thick soft foam with mesh outer cover | |
| Control mechanism chassis | 2.5mm thick stamped steel plate | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Tilt Mechanism Plate Thickness | 2.5 mm cold-rolled steel |
Adjustment / rotation / tilt / mobility / storage features
| Seat height adjustment | 100mm vertical travel via gas lift lever under seat | |
|---|---|---|
| Headrest adjustment | 60mm vertical lift to match neck height | |
| Armrest adjustment | 80mm vertical height adjustment to match desk height | |
| Back recline function | 135° lockable synchro-tilt with tension control | |
| 360° swivel rotation | Full rotating seat and back via central swivel joint | |
| Integrated rear coat hanger | Curved hook at top of back frame for hanging outerwear | |
| S-curve lumbar support | Contoured fixed lumbar zone for lower back alignment | |
| Smooth caster mobility | Free rolling on all hard and soft office floor surfaces | |
| 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
| Packed carton dimensions | 750 × 650 × 500 mm | |
|---|---|---|
| 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
| Open-plan office workstations | Fits standard 750mm height office desks for daily seated work | |
|---|---|---|
| Home office computer desks | Adjustable height and armrests suit long hours of remote work | |
| Meeting room seating | Swivel and recline functions support collaborative discussion use | |
| Staff task seating | Breathable mesh back maintains comfort during full-shift use | |
| Hot-desking shared workspaces | Universal adjustment fits a wide range of user body sizes | |
| Executive private offices | Grey neutral finish and coat hanger add functional utility | |
| 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 | Applies to office chair dimensional safety and ergonomic requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength and stability performance | |
| EN 1335-3:2009 | Applies to office chair test methods for safety verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety and performance criteria |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to chair strength and durability mechanical performance testing | |
| GB 18584-2001 | Applies to furniture harmful substance emission limits for indoor use |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applies to chair strength and durability mechanical performance testing; 3. GB 18584-2001: Applies to furniture harmful substance emission limits for indoor use; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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