| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 850 x 760 x 1300 mm | |
|---|---|---|
| Seat width | 535 mm | |
| Seat depth | 585 mm | |
| Adjustable seat height range | 560 mm | |
| Backrest total height | 820 mm | |
| Five-star base leg span diameter | 700 mm | |
| Armrest height above seat pan | 220 mm | |
| Caster wheel diameter | 50 mm | |
| Headrest height from seat pan | 720 mm | |
| Lumbar support zone height from seat pan | 280 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 maximum user weight | 182 kg | |
|---|---|---|
| Net product weight | 24 kg | |
| Seat cushion foam density | 45 kg/m³ | |
| Seat foam rebound rate | 55% | |
| Backrest foam thickness | 80 mm | |
| Seat cushion foam thickness | 100 mm | |
| Base static load capacity | 1136 kg | |
| Caster rolling durability cycles | 100000 | |
| Gas lift cycle life | 120000 | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | 1.2mm thick grey PU leather | |
|---|---|---|
| Armrest padding | Upholstered matching grey PU over 60mm foam | |
| Outer arm accent panels | Dark walnut-stained engineered wood veneer | |
| Internal seat/back frame | 1.5mm thick steel tube inner frame | |
| Five-star base | Polished chrome-plated 2mm thick steel | |
| Gas lift center post | 50mm diameter Class 4 pneumatic steel cylinder | |
| Tilt mechanism plate | 3mm thick stamped steel chassis | |
| Caster wheels | PU tread dual-wheel casters with metal bearings | |
| Seam stitching | Reinforced polyester thread with 8mm stitch pitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | |
| Backrest Internal Frame Thickness | 14 mm bent plywood/composite reinforced frame | |
| Five-star Base Material Thickness | Metal base wall 3.5 mm; diameter 700 mm |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° rotation enabled by center swivel joint | |
|---|---|---|
| Pneumatic seat height adjustment | 100mm vertical adjustment stroke via side lever | |
| Backrest tilt function | 15° backward recline with single-position tilt lock | |
| Smooth caster mobility | Five dual-wheel casters for omnidirectional rolling | |
| Fixed contoured lumbar support | Integrated curved mid-back zone for spinal alignment | |
| Integrated headrest support | Padded upper back section for neck and head support | |
| Tilt tension adjustment | Knob-controlled tension dial under seat | |
| Fixed padded armrests | Rigidly mounted curved arm supports at fixed height | |
| 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 office | Fits premium management offices with formal desk setups | |
|---|---|---|
| Managerial workstations | Suitable for department manager daily 8+ hour seated work | |
| Conference room leadership seating | Polished appearance fits formal meeting room head-of-table positions | |
| Home office premium setups | Stylish grey finish complements modern home workspace interiors | |
| Recommended paired furniture | 2000 mm wide executive desks with 760 mm working height | |
| Floor surface compatibility | Suitable for hard wood, tile and low-pile carpet flooring | |
| 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 1335-1:2000 | Office furniture - office chairs - dimensions for ergonomic seated working positions | |
|---|---|---|
| EN 1335-2:2018 | Office furniture - office chairs - safety requirements for structural strength and stability | |
| EN 1335-3:2009 | Office furniture - office chairs - test methods for durability and stability verification |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | General-purpose office chairs - standard for safety, durability and structural performance |
|---|
Standards applicable to China-market projects
| GB/T 3324-2017 | General technical requirements for wooden furniture components including arm accent panels | |
|---|---|---|
| GB 18584-2001 | Indoor decorating and refurbishing materials: limit of harmful substances in wood furniture |
This product must meet the following technical requirements: 1. GB/T 3324-2017: General technical requirements for wooden furniture components including arm accent panels; 2. GB 18584-2001: Indoor decorating and refurbishing materials: limit of harmful substances in wood furniture; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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