| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall chair dimensions | 660 x 680 x 990 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
Data source: Product performance data; verify exact test conditions before procurement.
| Recommended user weight capacity | 135 kg | |
|---|---|---|
| Chair net weight | 17.5 kg | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 | |
| Foam indentation rebound | 40% | |
| Gas lift service class | Class 4 | |
| Gas lift stroke | 100 mm | |
| Base static-load verification target | 1,136 kg | |
| Caster rolling durability | 100,000 cycles | |
| Seat-slide cyclic durability target | 100,000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat upholstery | Light beige smooth upholstery with tailored perimeter seams; material grade requires supplier BOM confirmation | |
|---|---|---|
| Back upholstery | Tight light beige upholstered shell over padded internal support; exact cover material not legible | |
| Integrated arms | Curved upholstered arm loops joined to the seat and back with visible seam returns | |
| Seat cushion | 90 mm padded foam cushion over a load-bearing seat shell; density target listed in performance data | |
| Back cushion | Layered padded back panel with recessed lumbar area and continuous side bolsters | |
| Internal support shell | 12 mm molded plywood or reinforced polymer seat shell | |
| Back inner frame | 20 mm steel-tube or reinforced polymer internal frame | |
| Five-star base | Polished chrome-plated die-cast or steel five-star base with five tapered spokes | |
| Gas lift | Chrome-plated steel telescopic gas lift with black upper actuator housing | |
| Tilt mechanism | Black powder-coated steel under-seat tilt plate with side lever and tension knob | |
| Casters | Black nylon or polyurethane twin-wheel swivel casters with chrome mounting stems | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| 360-degree swivel | Full-rotation seat and back assembly on a central gas-lift swivel bearing | |
|---|---|---|
| Pneumatic height adjustment | Side lever raises or lowers the seat through a 100 mm Class 4 gas-lift stroke | |
| Tilt movement | Synchronized seat-and-back rocking mechanism with 12-degree rearward recline travel | |
| Tilt lock | Single-position lock secures the chair in the upright working posture | |
| Tilt tension control | Under-seat rotary knob adjusts resistance for users up to 135 kg | |
| Integrated arm support | Closed upholstered arm loops provide fixed forearm support 220 mm above the seat | |
| Lumbar support | Contoured lower-back channel gives passive lumbar support without an adjustable pad | |
| Mobility | Five black twin-wheel casters provide rolling movement on carpet, tile or timber floors | |
| Arm adjustment | Fixed arms with no height, width, pivot or depth adjustment visible | |
| Seat-depth adjustment | Fixed seat depth; no sliding seat mechanism is visible beneath the cushion | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| 20GP loading quantity | 172 chairs | |
|---|---|---|
| 40HQ loading quantity | 420 chairs | |
| 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
Data source: Recommended applications based on product form and category.
| Executive office | Suitable for managers and directors requiring a tailored medium-back chair at a 720 to 760 mm desk | |
|---|---|---|
| Private workstation | Fits standard workstations with 600 mm knee clearance and rolling mobility | |
| Meeting room | Provides formal guest or conference seating when a swivel executive chair is desired | |
| Reception interview area | Light beige finish supports neutral reception and consultation interiors | |
| Hotel business center | Suitable for short-duration computer and writing tasks in serviced offices | |
| Project procurement | Recommended for batches of 10 or more where chrome-base durability and upholstery consistency are inspected | |
| Floor compatibility | Best used on hard floors or low-pile carpet with 60 mm twin-wheel casters | |
| User profile | Designed for adult users up to 135 kg using standard 720 to 760 mm office desks |
EU Market Access Requirements* EN Standards
| EN 1335-1 | European office-chair dimensional safety reference for task seating geometry | |
|---|---|---|
| EN 1335-2 | Recommended safety and structural-performance standard for office chair procurement | |
| EN 1335-3 | Recommended test method reference for strength, durability and stability verification | |
| EN 1022 | Useful stability test reference for domestic and non-domestic seating |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 | Recommended North American office-chair safety, stability and durability acceptance standard | |
|---|---|---|
| BIFMA e3 level | Optional multi-attribute sustainability certification to be supplied only by the manufacturer | |
| ANSI/BIFMA X5.4 | Not the primary standard; lounge and conference seating criteria differ from task seating |
Standards applicable to China-market projects
| GB/T 10357.3 | Recommended Chinese furniture test for chair and stool strength, applicable to backrest, seat and leg load verification | |
|---|---|---|
| GB/T 28004.2 | Suitable procurement reference for office-chair stability and mechanical test requirements | |
| GB/T 3324 | General wooden furniture quality inspection reference where the internal seat shell uses wood-based panels | |
| GB 18584 | Indoor wooden-furniture limited-release test reference for formaldehyde control in panel components |
This product must meet the following technical requirements: 1. GB/T 10357.3: Recommended Chinese furniture test for chair and stool strength, applicable to backrest, seat and leg load verification; 2. GB/T 28004.2: Suitable procurement reference for office-chair stability and mechanical test requirements; 3. GB/T 3324: General wooden furniture quality inspection reference where the internal seat shell uses wood-based panels; 4. GB 18584: Indoor wooden-furniture limited-release test reference for formaldehyde control in panel components; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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