| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 770 x 730 x 1220 mm | |
|---|---|---|
| Seat width | 480 mm | |
| Seat depth | 470 mm | |
| Backrest height | 710 mm | |
| Maximum seat height from floor | 560 mm | |
| Minimum seat height from floor | 500 mm | |
| Maximum armrest height from floor | 710 mm | |
| Minimum armrest height from floor | 650 mm | |
| Five-star base diameter | 686 mm | |
| Seat height adjustment stroke | 80 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 100 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 static load capacity | 250 kg | |
|---|---|---|
| Net product weight | 40 kg | |
| Tilt mechanism cycle durability | 300000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Seat foam density | 40D | |
| Seat foam rebound rate | 60% | |
| Back foam thickness | 80 mm | |
| Available standard color count | 4 | |
| Limited warranty period | 5 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | 1.2mm light grey PU leatherette | |
|---|---|---|
| Seat cushion padding | 40D high-resilience polyurethane foam | |
| Backrest padding | 35D shaped polyurethane foam | |
| Internal load frame | 18mm multi-layer plywood + steel reinforcement | |
| Five-star base | 1.5mm chrome-plated polished steel | |
| Armrest construction | PU-padded curved top over rigid polypropylene inner core | |
| Central gas lift | Class 4 chrome-plated steel pneumatic cylinder | |
| Tilt mechanism | 3mm thick steel plate multi-position lock mechanism | |
| Casters | 60mm dual-wheel black PU soft casters | |
| Upholstery seam construction | 8 stitches per 30mm seam pitch | |
| 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
| Backrest recline function | 160° maximum tilt angle with multi-position lock | |
|---|---|---|
| 360-degree swivel function | Full rotation enabled by central swivel joint on five-star base | |
| Pneumatic seat height adjustment | 80mm vertical travel via side-activated gas lift lever | |
| Tilt tension adjustment | User-adjustable spring tension via side-mounted control knob | |
| Caster mobility | Smooth dual-wheel rolling suitable for hard floors and low-pile carpet | |
| Integrated headrest support | Contoured upper back section provides built-in head support | |
| Fixed padded arm support | Curved wide armrests provide stable forearm support during seated work | |
| 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 office | Suitable for daily executive desk work with padded support and recline function | |
|---|---|---|
| Managerial workstation | Appropriate for middle/senior management long-duration seated tasks | |
| Home office study | Fits refined light grey home office decor with comfort features for extended use | |
| Conference room seating | Suitable for formal meeting rooms requiring professional aesthetic and comfort | |
| Reception executive area | Appropriate for guest seating in high-end corporate reception spaces | |
| 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 for office chair dimensional stability and ergonomic requirement verification | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair structural strength and durability performance testing | |
| EN 1335-3:2009 | Applicable for office chair safety test methodology verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair structural and durability performance verification | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applicable for heavy-duty big-and-tall office chair load capacity verification |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office chair dimensional measurement and tolerance verification | |
|---|---|---|
| GB 28007-2011 | Applicable for office chair general safety and structural performance requirements | |
| GB/T 35607-2017 | Applicable for upholstered furniture harmful substance emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office chair dimensional measurement and tolerance verification; 2. GB 28007-2011: Applicable for office chair general safety and structural performance requirements; 3. GB/T 35607-2017: Applicable for upholstered furniture harmful substance emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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