| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 680 x 770 x 1300 mm | |
|---|---|---|
| Seat height adjustment range | 65 mm | |
| Seat height at highest position | 505 mm | |
| Seat width | 510 mm | |
| Seat depth | 445 mm | |
| Backrest padding thickness | 60 mm | |
| Seat cushion padding thickness | 50 mm | |
| Five-star base radius | 350 mm | |
| Caster diameter | 65 mm | |
| Armrest height above seat | 220 mm | |
| Finished Seat Cushion Thickness | 90 mm | |
| Lumbar Support Zone Height | 240 mm | |
| Clear Width Between Armrests | 540 mm |
Net weight / load capacity / users / durability
| Recommended user weight capacity | 150 kg | |
|---|---|---|
| Five-star base static load rating | 1136 kg | |
| Upholstery abrasion resistance | 50000 cycles | |
| Foam density (seat/back) | 55 kg/m³ | |
| Foam rebound rate | 60% | |
| Caster rolling durability | 100000 cycles | |
| Gas lift service cycles | 100000 cycles | |
| Net weight | 22 kg | |
| Warranty period (normal use) | 10 years | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and back upholstery | Grey wear-resistant PU leather (leatherette) | |
|---|---|---|
| Seat cushion core | 55 kg/m³ high-density molded polyurethane foam | |
| Backrest cushion core | 40 kg/m³ high-density cut polyurethane foam | |
| Internal seat frame | 15 mm thick plywood with solid wood reinforcement | |
| Internal back frame | 1.2 mm thick welded steel tube | |
| Five-star base | 2.0 mm thick polished chrome-plated steel | |
| Armrest structure | PU-padded top with brown veneer and metal grille accent panel | |
| Caster material | Dual-wheel PU tread with polypropylene hub | |
| Gas lift cylinder | Chrome-plated Class 4 steel gas lift, 70 mm tube diameter | |
| Control mechanism | 2.5 mm thick steel plate multi-lock synchro tilt mechanism | |
| Upholstery stitching | 8 stitches per inch visible matching-thread vertical seams | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
| 360-degree swivel rotation | Full 360° horizontal rotation enabled by central swivel joint under seat | |
|---|---|---|
| Pneumatic seat height adjustment | One-touch lever-operated height adjustment with 65 mm vertical travel | |
| Synchro tilt recline | Synchronized seat and back recline with 5-position tilt lock | |
| Tilt tension adjustment | User-adjustable tension knob to match user weight for recline resistance | |
| Dual-wheel caster mobility | Smooth rolling on hard floors and low-pile carpet, 360° caster swivel | |
| Integrated headrest support | Contoured fixed headrest for cervical support during upright and reclined positions | |
| Fixed padded armrests | Wide upholstered armrests for forearm support with decorative side accent panels | |
| 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 | Suits dedicated manager/executive workspaces for daily 8+ hour seated use | |
|---|---|---|
| Director and board meeting rooms | Suitable for formal meeting spaces for extended discussion sessions | |
| High-end home office | Fits premium home workspaces for remote work and executive home use | |
| Corporate reception VIP areas | Appropriate for distinguished visitor seating in reception or meeting areas | |
| Executive workstation pods | Compatible with standard height executive desks and L-shaped workstations | |
| 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 safety and ergonomic performance requirements | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair structural strength, durability and stability testing | |
| EN 1022:2018 | Applies to furniture chair stability determination for seating products |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair strength, durability and safety testing | |
|---|---|---|
| ANSI/BIFMA X5.11-2015 | Applies to large occupant office chair load and durability requirements |
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office furniture chair dimensional accuracy and stability requirements | |
|---|---|---|
| GB 28007-2011 | Applies to strength and durability requirements for office chairs used in office spaces | |
| GB/T 19995.1-2005 | Applies to upholstered furniture leather/PU surface performance testing |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability requirements; 2. GB 28007-2011: Applies to strength and durability requirements for office chairs used in office spaces; 3. GB/T 19995.1-2005: Applies to upholstered furniture leather/PU surface performance testing; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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