| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (upright) | 650 x 650 x 1260 mm | |
|---|---|---|
| Seat height adjustment range | 450 to 570 mm | |
| Seat cushion depth | 520 mm | |
| Seat cushion width | 530 mm | |
| Backrest total height | 760 mm | |
| 5-star base diameter | 610 mm | |
| Retractable footrest extension length | 420 mm | |
| Fixed armrest height above seat | 220 mm | |
| Caster diameter | 60 mm | |
| Seat cushion thickness | 140 mm | |
| Backrest padding thickness | 100 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Net weight | 28 kg | |
|---|---|---|
| Maximum recommended user weight | 227 kg | |
| Backrest maximum recline angle | 135 degrees | |
| Gas lift performance class | Class 4 | |
| 5-star base static load capacity | 1136 kg | |
| Caster rolling durability | 100000 cycles | |
| PU upholstery abrasion resistance | 50000 double rubs | |
| Seam stitch pitch | 8 stitches per 30mm | |
| Component warranty period | 3 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back main upholstery | Light grey smooth PU leatherette | |
|---|---|---|
| Side panel upholstery | Dark grey textured woven fabric | |
| Internal support frame | 1.5mm thick reinforced steel tube | |
| Seat and back cushion fill | 45kg/m³ high-density cold-cure foam | |
| Armrest structure | Padded PU top with polished chrome trim strip | |
| Swivel base | 2mm thick chrome-plated polished steel 5-star base | |
| Caster wheels | 60mm diameter silent PU dual-wheel casters | |
| Recline and height mechanism | 2.5mm thick steel chassis with tension adjustment | |
| Retractable footrest | Chrome-finished steel slide frame with padded PU top | |
| Upholstery stitching | High-tenacity 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
| 360-degree swivel rotation | Full rotation around central gas lift axis | |
|---|---|---|
| Pneumatic seat height adjustment | 120mm vertical travel via side actuated lever | |
| Lockable backrest recline | 90 to 135 degree infinite position lock | |
| Recline tension adjustment | User weight-adjustable tilt resistance knob | |
| Retractable sliding footrest | Pull-out extension with steel slide rails | |
| Smooth rolling mobility | 360-degree swivel dual casters for hard floors | |
| Fixed padded arm support | Ergonomic armrests positioned for desk typing support | |
| Contoured lumbar support | Built-in padded lumbar zone integrated into backrest | |
| Reclined overall depth (max recline + footrest out) | 1350 mm | |
| 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 | Matches premium aesthetic for manager and executive desk configurations | |
|---|---|---|
| Home office workspace | Recline and footrest support work and midday rest in residential workspaces | |
| Conference and meeting rooms | Professional appearance suitable for formal meeting and boardroom use | |
| Managerial workstations | High comfort design supports 8+ hours of daily seated desk work | |
| Nap-compatible work settings | Recline function and footrest allow short rest breaks without leaving seat | |
| Premium reception areas | Polished chrome and two-tone finish creates upscale visitor 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, safety and strength requirements for commercial use | |
|---|---|---|
| EN 1022:2018 | Applies to seating stability testing for upright and reclined positions | |
| EN 12520:2015 | Applies to furniture seating strength, durability and safety performance requirements |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair safety, durability and structural performance |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional, strength and stability testing requirements | |
|---|---|---|
| GB/T 3324-2017 | Applies to general wooden and metal office furniture surface quality requirements | |
| GB/T 10357.3-2013 | Applies to chair mechanical strength and durability test methods for office seating |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional, strength and stability testing requirements; 2. GB/T 3324-2017: Applies to general wooden and metal office furniture surface quality requirements; 3. GB/T 10357.3-2013: Applies to chair mechanical strength and durability test methods for office seating; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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