| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 675 x 700 x 1220 mm | |
|---|---|---|
| Seat width | 525 mm | |
| Seat depth | 450 mm | |
| Backrest height | 740 mm | |
| Seat height range (floor to seat) | 500 mm | |
| Armrest height above seat | 270 mm | |
| Armrest height above floor | 695 mm | |
| Five-star base radius | 340 mm | |
| Headrest width | 340 mm | |
| Caster diameter | 50 mm | |
| Seat foam padding thickness | 127 mm | |
| Backrest foam padding thickness | 102 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 | 181 kg | |
|---|---|---|
| Net product weight | 20 kg | |
| Backrest fatigue cycle rating | 120000 cycles | |
| Five-star base static load rating | 1200 kg | |
| Caster rolling abrasion cycles | 98000 cycles | |
| Gas lift adjustment cycles | 100000 cycles | |
| Seat foam density | 50 kg/m³ | |
| Seat foam rebound rate | 55 % | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Seam stitch pitch | 3 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Black PU synthetic leather, 1.2mm thickness | |
|---|---|---|
| Seat foam padding | High-density CAL 117 flame-retardant polyurethane foam | |
| Backrest internal frame | 2.5mm thick welded alloy steel frame | |
| Five-star base | 2mm thick polished chrome-plated steel, 680mm total diameter | |
| Gas lift cylinder | Class 3 chrome-finished steel, 100mm stroke, 50mm outer diameter | |
| Tilt mechanism plate | 3mm thick pressed steel butterfly tray | |
| Casters | 50mm diameter dual-wheel nylon casters | |
| Armrest structure | Padded PU top, height-adjustable steel support post | |
| Armrest padding | 20mm thick soft polyurethane foam under PU cover | |
| 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
| Seat height adjustment | Stepless pneumatic adjustment via under-seat lever, 70mm travel range | |
|---|---|---|
| 360-degree swivel | Full rotation around central gas lift axis | |
| Backrest tilt function | 90° to 135° recline with upright position lock and tension adjustment | |
| Mobility | Smooth rolling on 5 dual-wheel casters across hard floors and low-pile carpet | |
| Integrated head support | Fixed contoured headrest section aligned with upper back | |
| Lumbar support | Contoured backrest shaping for built-in mid-back lumbar contact | |
| Tilt tension control | Rotary knob adjusts recline resistance to match user weight | |
| 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 | Provides ergonomic support for 8+ hour daily seated executive work | |
|---|---|---|
| Open plan workstation | Suitable for senior staff and manager workstations in open office layouts | |
| Conference and meeting rooms | Formal appearance suitable for boardroom and client meeting spaces | |
| Home office setup | Polished metal base and clean design complement premium home office interiors | |
| Commercial co-working spaces | Durable construction and commercial-grade components withstand high-frequency shared use | |
| Reception and visitor areas | Professional executive appearance creates a polished first impression for guests | |
| 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 | Office furniture office chairs dimensional, safety and strength requirements |
|---|
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Standard for general-purpose office chairs safety and performance testing |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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