| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 740 x 830 x 1170 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 500 mm | |
| Seat height range (lowest to highest) | 420 to 520 mm | |
| Backrest width | 600 mm | |
| Backrest height (from seat pan) | 630 mm | |
| Five-star base diameter | 690 mm | |
| Armrest height (above seat pan) | 230 mm | |
| Caster diameter | 50 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
| Net weight (assembled) | 24 kg | |
|---|---|---|
| Recommended static user weight capacity | 150 kg | |
| Seat foam density | 40 kg/m³ | |
| Back foam density | 30 kg/m³ | |
| Seat foam thickness | 100 mm | |
| Back foam thickness | 80 mm | |
| Upholstery abrasion resistance (Martindale) | 50000 cycles | |
| Tilt recline angle (from upright) | 18 degrees | |
| Seam stitch pitch | 8 stitches per inch | |
| Gas lift stroke length | 100 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Black polyurethane (PU) faux leather | |
|---|---|---|
| Armrest frames | Stained solid mahogany-tone hardwood | |
| Armrest top pads | Padded PU leather matching seat upholstery | |
| Five-star base | Stained solid hardwood with polished wood finish | |
| Internal seat/back support panels | 15 mm thick plywood | |
| Seat and back padding | High-density polyurethane foam | |
| Height adjustment mechanism | 3 mm thick cold-rolled steel tilt chassis | |
| Gas lift cylinder | Class 4 steel pneumatic lift | |
| Casters | 50 mm diameter black nylon hooded casters | |
| Central hardware fittings | Chrome-plated steel connection collar | |
| Edge stitching | Polyester bonded thread | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Pneumatic seat height adjustment | Lever-operated, 100 mm travel to set seat height for desk use | |
|---|---|---|
| 360-degree swivel rotation | Full rotation around central gas lift for easy desk access | |
| Tilt rocking function | Synchronized seat and back rocking with adjustable tension knob | |
| Upright tilt lock | Locking lever secures chair in upright seated position for focused work | |
| Smooth rolling mobility | Five casters enable easy movement on hard or carpeted office floors | |
| Built-in lumbar support | Contoured lower back padding reduces lumbar strain during long work sessions | |
| Fixed padded armrests | Sturdy wood-framed armrests provide stable forearm support at fixed height | |
| Floor protection | Hooded caster design reduces scuffing and scratches on hard floor surfaces | |
| 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
| Private executive offices | Formal traditional styling matches C-suite and management private workspaces | |
|---|---|---|
| Conference meeting rooms | Formal appearance is suitable for boardroom and executive meeting seating | |
| Home office studies | Comfortable padded design works for dedicated home workspaces | |
| Law and financial firm offices | Conservative professional appearance aligns with formal client-facing spaces | |
| Reception and management waiting areas | Premium wood-trim design creates a polished first impression for visitors | |
| Standard desk height compatibility | Pneumatic height adjustment works with 760 mm tall standard office desks | |
| 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 work seating | |
|---|---|---|
| EN 1335-2:2009 | Applies to office chair mechanical strength and stability performance requirements | |
| EN 1021-1:2014 | Applies to upholstered furniture resistance to ignition by smouldering cigarette |
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 accuracy and structural stability requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair mechanical strength and durability test methods | |
| GB 20210-2006 | Applies to fire safety requirements for upholstered office furniture materials |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional accuracy and structural stability requirements; 2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability test methods; 3. GB 20210-2006: Applies to fire safety requirements for upholstered office furniture materials; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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