| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall assembled dimensions | 700 x 665 x 1175 mm | |
|---|---|---|
| Five-star base caster spread diameter | 700 mm | |
| Seat width | 550 mm | |
| Seat depth | 480 mm | |
| Integrated headrest width | 390 mm | |
| Backrest width | 680 mm | |
| Backrest height above seat | 675 mm | |
| Armrest height above seat | 155 mm | |
| Adjustable seat height range | 525 mm | |
| Minimum seat under-clearance height | 465 mm | |
| Adjustable overall height to arm top | 665 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 reference | 22 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Five-star base static load rating | 1136 kg | |
| Gas lift vertical stroke | 60 mm | |
| Synchro-tilt back recline angle | 26° | |
| Upholstery abrasion resistance | 50000 double rubs | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ | |
| Upholstery Thickness / Abrasion Reference | 1.4 mm / 50000 cycles | |
| Five-star Base Static Load Reference | Acceptance target ≥120 kg; chair reference load 150 kg |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and front back upholstery | 1.2mm thick tan PU leather | |
|---|---|---|
| Rear back panel upholstery | 1.2mm thick dark charcoal-brown PU leather | |
| Seat cushion padding | 50mm thick 45kg/m³ high-density polyurethane foam | |
| Backrest and headrest padding | 40mm thick 40kg/m³ high-resilience polyurethane foam | |
| Fixed armrest construction | Integrated padded arm, same tan PU upholstery as seat | |
| Five-star base material | 2.5mm thick polished chrome-plated steel | |
| Caster material | 50mm diameter dual-wheel black polyurethane | |
| Height adjustment gas lift | 50mm diameter Class 3 chrome-plated steel gas lift | |
| Tilt mechanism plate | 3mm thick stamped steel synchro-tilt chassis | |
| Internal seat support frame | 15mm thick multilayer plywood inner board | |
| 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
| Pneumatic seat height adjustment | 60mm vertical travel, lock at any position via Class 3 gas lift | |
|---|---|---|
| 360-degree swivel rotation | Full rotation enabled by central swivel joint on gas column | |
| Synchro-tilt recline mechanism | 2:1 seat-to-back tilt ratio, locks in upright position | |
| Tilt tension adjustment | Knob-controlled adjustment to match user body weight | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet, 360° caster rotation | |
| Integrated ergonomic support | Contoured lumbar support and fixed headrest for neck alignment | |
| Fixed padded armrests | Stable non-adjustable arm support for forearm resting during work | |
| 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 | Suitable for CEO/management workstations with high-back ergonomic support | |
|---|---|---|
| Home office workspace | Fits premium residential office setups with two-tone modern aesthetic | |
| Boardroom meeting space | Usable as premium conference seating for extended meeting durations | |
| Reception management area | Suitable for front desk or reception work positions requiring mobility | |
| Height range suitability | Fits users 185 cm tall with adjustable seat height range | |
| 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
| Office chair safety strength stability | EN 1335:2018, applicable for office work chair structural safety requirements | |
|---|---|---|
| Office chair dimensional stability | EN 1335:2020, applicable for office chair functional dimension verification |
US and Canada office-furniture standards
| Office chair safety and performance | ANSI/BIFMA X2017applicable for general-purpose office chair durability testing | |
|---|---|---|
| Caster durability standard | ANSI/BIFMA X2017Clause 12, applicable for caster rolling and load testing | |
| Caster rolling durability cycles | 100000 |
Standards applicable to China-market projects
| Office chair strength and durability standard | GB/T 3324applicable for general wooden/metal office furniture mechanical performance | |
|---|---|---|
| Upholstered furniture safety standard | GB 20400applicable for leather/faux leather upholstery harmful substance limits |
This product must meet the following technical requirements: 1. Office chair strength and durability standard: GB/T 3324applicable for general wooden/metal office furniture mechanical performance; 2. Upholstered furniture safety standard: GB 20400applicable for leather/faux leather upholstery harmful substance limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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