| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 730 x 760 x 1280 mm | |
|---|---|---|
| Seat height adjustment range | 600 mm | |
| Seat cushion width | 550 mm | |
| Seat cushion depth | 550 mm | |
| Backrest total height | 800 mm | |
| Integrated headrest dimensions | 320 x 180 mm | |
| Fixed armrest height above seat | 220 mm | |
| Five-star base span diameter | 700 mm | |
| Caster diameter | 60 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 | 136 kg | |
|---|---|---|
| Chair net weight reference | 20 kg | |
| Seat foam density | 50 kg/m³ | |
| Seat foam thickness | 80 mm | |
| Backrest foam thickness | 50 mm | |
| Foam rebound rate | 60% | |
| Upholstery abrasion resistance | 50000 cycles | |
| Seam stitch pitch | 3 mm | |
| 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 backrest upholstery | Light beige PU/faux leather surface | |
|---|---|---|
| Outer structural shell | 18 mm thick dark finished bentwood molded plywood | |
| Seat and back padding | High-density polyurethane foam | |
| Five-star base | Polished chrome plated steel or polished aluminum alloy | |
| Armrest structure | Fixed bentwood frame with matching beige upholstered padding | |
| Casters | Black dual-wheel polyurethane casters with metal mounting stems | |
| Gas lift cylinder | Chrome plated steel pneumatic cylinder | |
| Mechanism connector plate | 8 mm thick solid steel plate | |
| Internal seat support board | 18 mm thick double-layer bent plywood | |
| 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
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel joint between gas lift and base | |
|---|---|---|
| Pneumatic seat height adjustment | 100 mm vertical adjustment stroke via under-seat lever, covering seat height 600 mm | |
| Tilt recline function | 15° maximum backward tilt angle with tension adjustment knob, single-position upright lock | |
| Caster mobility | Smooth rolling on hard floors and low-pile carpet via 60 mm dual-wheel PU casters | |
| Fixed padded arm support | Stationary curved armrests with padded tops provide forearm support during desk work | |
| Integrated head support | Contoured padded headrest aligned with cervical spine for upright and slightly reclined seating positions | |
| Waterfall seat edge | Curved front seat edge reduces pressure on back of thighs during extended seating | |
| 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
| Pack quantity | 1 unit per carton | |
|---|---|---|
| Carton dimensions | 850 x 750 x 650 mm | |
| Gross weight per carton | 24 kg | |
| Carton volume (CBM) | 0.41 CBM | |
| Inner packaging | Dustproof PE plastic bag, foam edge protectors, corrugated cardboard corner braces | |
| Outer carton grade | 5-layer K=K export corrugated carton | |
| Assembly time | 30 minutes | |
| 20GP container loading quantity | 110 units | |
| 40HC container loading quantity | 275 units | |
| Reference Package Count | 1 set / 2 cartons |
Recommended spaces / users / usage modes
| Executive private office | Suitable for manager and executive private offices, high-back design provides upper back and head support during long work sessions | |
|---|---|---|
| Conference and boardroom seating | Premium appearance with upholstered and bentwood finish matches formal conference and boardroom environments for extended meetings | |
| Home office workstations | Contemporary styling and comfortable padding suit home office spaces for full-day remote work and video conference use | |
| Client reception areas | Polished chrome base and light neutral upholstery create a professional welcoming appearance in client-facing reception and meeting zones | |
| Commercial project specification | Meets standard ergonomic and performance dimensions for open-plan or private office fit-out projects requiring durable mid-to-premium task seating | |
| 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 and safety requirements for task seating, recommended for commercial project specification | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair strength, durability and stability performance requirements, used for structural load verification | |
| EN 1335-3:2009 | Applies to office chair test methods for mechanical performance, recommended for third-party inspection protocol |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 Gas Lift Requirement | Specifies Class 3 or higher gas lift performance for daily office use, minimum 100000 height adjustment cycles without failure |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to dimensional measurement and tolerances for office desk chairs, used for incoming size inspection | |
|---|---|---|
| GB/T 22792.1-2009 | Applies to office chair stability, strength and durability requirements, recommended for structural performance verification | |
| GB 18584-2001 | Applies to formaldehyde and heavy metal emission limits for furniture materials, required for indoor air quality compliance | |
| GB/T 19941-2005 | Applies to leather/faux leather upholstery tear strength and color fastness requirements, used for upholstery quality inspection |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to dimensional measurement and tolerances for office desk chairs, used for incoming size inspection; 2. GB/T 22792.1-2009: Applies to office chair stability, strength and durability requirements, recommended for structural performance verification; 3. GB 18584-2001: Applies to formaldehyde and heavy metal emission limits for furniture materials, required for indoor air quality compliance; 4. GB/T 19941-2005: Applies to leather/faux leather upholstery tear strength and color fastness requirements, used for upholstery quality inspection; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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