| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 680 x 650 x 1280 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 520 mm | |
| Backrest height | 680 mm | |
| Backrest width | 530 mm | |
| Headrest width | 320 mm | |
| Armrest height from seat | 210 mm | |
| Five-star base diameter | 680 mm | |
| Caster wheel diameter | 60 mm | |
| Seat cushion thickness | 90 mm | |
| Headrest height adjustment stroke | 60 mm | |
| Armrest pad width | 80 mm | |
| Gas lift outer tube diameter | 50 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Backrest Padding Thickness | 70 mm |
Net weight / load capacity / users / durability
| Recommended maximum user weight | 150 kg | |
|---|---|---|
| Chair net weight range | 18 kg | |
| Gas lift static load rating | 200 kg | |
| Five-star base static load rating | 1200 kg | |
| Caster rolling durability | 100000 cycles | |
| Backrest tilt angle range | 12 degrees | |
| Foam compression set resistance | 25% | |
| Backrest tilt angle maximum | 18 degrees | |
| Mesh tensile strength | 2000 N | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Backrest support frame | Reinforced plastic outer frame with blue finish, supporting stretched mesh panel | |
|---|---|---|
| Backrest and headrest mesh | Elastic woven polyester mesh with breathable grid structure | |
| Seat cushion upholstery | Blue woven fabric surface wrap, stitched edges | |
| Seat cushion foam core | Molded high-density polyurethane foam, flat ergonomic profile | |
| Seat internal base | Plywood or bentwood support panel under foam, attached to mechanism plate | |
| Armrest assembly | White painted steel arm support bracket connected to seat frame, top hard plastic arm pad | |
| Five-star base | Chrome-plated steel tube five-point frame, polished shiny surface | |
| Caster wheels | Black dual-wheel nylon casters with rotating stem mount | |
| Height adjustment mechanism | Class 3 gas lift cylinder with chrome outer sleeve, black tilt control mechanism plate under seat | |
| Headrest mounting bracket | Reinforced plastic height-adjustable bracket connecting headrest to backrest frame, with friction lock | |
| 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
| Seat height adjustment | Pneumatic height adjustment via left-side control lever, 80 mm total vertical stroke, infinitely variable within range | |
|---|---|---|
| Backrest tilt function | Synchro-tilt recline mechanism with locking at multiple positions, maximum 12 degrees backward tilt from upright | |
| Swivel function | 360-degree full rotation around central gas lift axis, smooth rotation via bearing in tilt mechanism | |
| Headrest support | Fixed-position mesh headrest mounted on top of backrest, providing neck and head support for tall users | |
| Mobility function | Five dual-wheel casters enable rolling movement on hard floors and low-pile carpets, with 360-degree caster rotation | |
| Tilt tension adjustment | Tension knob below seat adjusts recline resistance to match different user body weights | |
| Fixed armrest support | Rigidly mounted armrests at fixed height, providing forearm support during typing and rest | |
| Lumbar support | Integrated passive lumbar support built into mesh backrest shape, providing lower back support at 180 mm height above seat surface | |
| 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
| Packaging configuration | 1 piece per carton, flat-pack knockdown design with seat, backrest, base, gas lift, casters and hardware separated | |
|---|---|---|
| Carton dimensions (L x W x H) | 850 x 650 x 320 mm | |
| Gross weight per carton | 20 kg | |
| Carton volume (CBM) | 0.177 CBM | |
| Assembly time per unit | 30 minutes | |
| 20-foot container loading quantity | 220 units | |
| Warranty period | 3 years | |
| Available colors | Blue mesh with white frame, black mesh with black frame, gray mesh with silver frame | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Executive office suites | Suitable for private executive offices and manager rooms, providing full back and neck support for long working hours | |
|---|---|---|
| Open plan workstations | Appropriate for daily use in open office areas, breathable mesh back prevents overheating during extended sitting | |
| Conference and meeting rooms | Ideal for conference room seating around meeting tables, swivel and tilt functions support flexible postures during discussions | |
| Home office setups | Suitable for home workstations, compact base fits standard desk undercarriage, adjustable height matches different desk heights | |
| Supervisory and administrative roles | Designed for users in administrative and supervisory positions requiring comfortable 8-hour daily seating support | |
| Design studio workspaces | Suitable for design and creative workspaces, breathable mesh material accommodates long periods of focused sitting with frequent posture changes | |
| Reception and visitor areas | Appropriate for premium visitor seating in reception areas, modern blue-and-white color scheme matches contemporary office decor | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1 | 2020: Office furniture - Office work chair - Part 1: Dimensions, applicable for ergonomic dimension compliance verification | |
|---|---|---|
| EN 1335-2 | 2019: Office furniture - Office work chair - Part 2: Safety requirements, applicable for structural safety acceptance | |
| EN 1335-3 | 2019: Office furniture - Office work chair - Part 3: Test methods, applicable for performance and durability testing procedures |
US and Canada office-furniture standards
| BIFMA X5.1-2021 | General-Purpose Office Chairs, applicable for safety, durability and structural performance testing of office seating products |
|---|
Standards applicable to China-market projects
| GB/T 14728.1-2023 | Office furniture - Chairs - Part 1: General safety requirements, applicable for structural safety acceptance of office seating products | |
|---|---|---|
| GB/T 14728.2-2023 | Office furniture - Chairs - Part 2: Mechanical safety requirements and test methods, applicable for mechanical strength and durability testing | |
| GB 20400-2006 | Leather and fur - Limit of harmful matter, applicable as reference for upholstery fabric harmful substance limits |
This product must meet the following technical requirements: 1. GB/T 14728.1-2023: Office furniture - Chairs - Part 1: General safety requirements, applicable for structural safety acceptance of office seating products; 2. GB/T 14728.2-2023: Office furniture - Chairs - Part 2: Mechanical safety requirements and test methods, applicable for mechanical strength and durability testing; 3. GB 20400-2006: Leather and fur - Limit of harmful matter, applicable as reference for upholstery fabric harmful substance limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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