| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (footrest retracted, gas lift lowest) | 800 x 800 x 1140 mm | |
|---|---|---|
| Seat width | 590 mm | |
| Seat depth | 510 mm | |
| Seat height adjustment range | 570 mm | |
| Five-star base diameter | 700 mm | |
| Caster diameter | 60 mm | |
| Retractable footrest extension length | 420 mm | |
| Backrest total height (from seat pan) | 760 mm | |
| Armrest height from seat pan | 220 mm | |
| Seat cushion thickness | 100 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 static load capacity | 181 kg | |
|---|---|---|
| Net weight (product only) | 25 kg | |
| Maximum recline angle | 155 degrees | |
| Recline lock positions | 3 positions | |
| Swivel rotation range | 360 degrees | |
| Caster rolling durability | 100000 cycles | |
| Gas lift service life | 100000 height adjustment cycles | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
| Main upholstery | Light grey scratch-resistant PU leather | |
|---|---|---|
| Lower side panel upholstery | Dark brown/black matching PU leather | |
| Seat and back padding | #40 high-density polyurethane foam, 45% rebound | |
| Internal support frame | 12 mm high-density plywood with wood reinforcement | |
| Armrest construction | Padded PU wrapping with polished dark solid wood top caps | |
| Five-star base | 1.5 mm thick polished chrome-plated steel | |
| Casters | Dual-wheel silent polyurethane, steel bearing insert | |
| Gas lift cylinder | Class 3 steel, SGS-approved, 50 mm outer diameter | |
| Recline mechanism | 2.5 mm thick steel plate with tension adjustment dial | |
| Footrest frame | Chrome-plated steel with padded PU top | |
| Stitching | Even nylon thread, 8 mm stitch pitch | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| Height adjustment | Pneumatic gas lift adjusts seat 90 mm between 570 mm height | |
|---|---|---|
| Recline function | Manual tension control knob locks backrest at 3 positions up to 155° | |
| Footrest operation | Pull-out retractable footrest extends 420 mm, folds flush under seat | |
| Swivel function | 360° smooth rotation around central gas lift axis | |
| Mobility | Dual-wheel PU casters roll on hard floors and low-pile carpet | |
| Arm support | Fixed padded armrests with wood caps provide stable upper body support | |
| Back support | Segmented 3-zone padded back provides head, lumbar and mid-back support | |
| 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 | High-back reclining support for extended seated work and short breaks | |
|---|---|---|
| Managerial workstations | Formal aesthetic with functional adjustments for daily desk use | |
| Home office premium setup | Comfort features with polished appearance for dedicated workspaces | |
| Conference room leadership seating | Formal two-tone finish for executive meeting room placement | |
| VIP reception office areas | Polished wood and chrome trim for professional guest reception spaces | |
| 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 | Applicable for office chair dimensional, safety and strength requirements | |
|---|---|---|
| EN 1335-2:2018 | Applicable for office chair safety performance test methods | |
| EN 1022:2018 | Applicable for furniture seating stability determination |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for general-purpose office chair safety and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applicable for office chair dimensional accuracy and stability testing | |
|---|---|---|
| GB/T 10357.3-2013 | Applicable for chair mechanical strength and durability performance testing | |
| GB 18584-2001 | Applicable for limits of harmful substances in wooden furniture components | |
| GB/T 19995.1-2005 | Applicable for performance requirements of natural leather upholstery (if used) |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applicable for office chair dimensional accuracy and stability testing; 2. GB/T 10357.3-2013: Applicable for chair mechanical strength and durability performance testing; 3. GB 18584-2001: Applicable for limits of harmful substances in wooden furniture components; 4. GB/T 19995.1-2005: Applicable for performance requirements of natural leather upholstery (if used); Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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