| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| overall dimensions (upright) | 710 x 730 x 1270 mm | |
|---|---|---|
| seat width | 590 mm | |
| seat depth | 510 mm | |
| seat height range | 570 mm | |
| cushion thickness | 140 mm | |
| backrest height | 780 mm | |
| armrest height above seat | 220 mm | |
| five-star base diameter | 700 mm | |
| caster diameter | 50 mm | |
| extended footrest length | 420 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 reference | 35 kg | |
| maximum recline angle | 135° | |
| gas lift durability cycles | 100000 | |
| caster rolling durability cycles | 100000 | |
| foam density (seat/back) | 40 kg/m³ | |
| foam rebound rate | 45% | |
| upholstery abrasion resistance | 50000 cycles | |
| seam stitch pitch | 8 mm | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
| seat and back upholstery | Light grey PU leather with black contrast piping | |
|---|---|---|
| seat cushion padding | 40 kg/m³ high-density polyurethane foam | |
| backrest padding | 32 kg/m³ high-density polyurethane foam | |
| internal support frame | 12mm plywood reinforced with steel bracing | |
| five-star base | 1.5mm thick chrome-plated polished steel | |
| armrest structure | Padded PU cover over rigid plywood/steel core | |
| footrest surface | PU-padded cushion with chrome-plated steel support rail | |
| casters | Black nylon dual-wheel hard-floor casters | |
| gas lift cylinder | Steel Class 3 pneumatic gas lift | |
| recline mechanism | 2.5mm thick steel plate tilt mechanism with tension control | |
| 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
| 360° swivel rotation | Full 360-degree horizontal rotation supported by central gas lift bearing | |
|---|---|---|
| pneumatic seat height adjustment | 120mm vertical height adjustment via right-side chrome lever | |
| lockable backrest recline | 135° maximum recline with multi-position lock via left-side dial control | |
| tilt tension adjustment | User-adjustable tilt resistance to match user body weight | |
| retractable under-seat footrest | 420mm pull-out padded footrest for reclined leg support | |
| smooth dual-wheel caster movement | 360° rolling casters suitable for carpet, tile and hardwood floors | |
| fixed padded armrests | Wide upholstered armrests for consistent forearm support during upright and reclined use | |
| contoured lumbar support | Built-in padded lumbar contour for lower back alignment | |
| reclined overall depth | 1150 mm | |
| 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 | Suitable for managerial/executive workspaces requiring formal, comfortable long-duration seating | |
|---|---|---|
| home office study | Appropriate for dedicated home workspaces with recline for break periods | |
| meeting room director seating | Suitable for head-of-table seating in formal boardrooms and meeting spaces | |
| managerial private workstations | Supports 8+ hour daily seated work with recline and footrest rest function | |
| commercial office procurement | Aligns with standard executive office furniture specifications for bulk purchase | |
| luxury reception spaces | Matches polished contemporary interior design for premium visitor/management areas | |
| 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 and safety requirement benchmarks | |
|---|---|---|
| EN 1335-2:2018 | Applies to office chair mechanical strength and stability testing | |
| EN 1335-3:2009 | Applies to office chair structural durability testing standards |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applies to general-purpose office chair performance and safety benchmarks |
|---|
Standards applicable to China-market projects
| GB/T 3326-2016 | Applies to office chair dimensional measurement and tolerance requirements | |
|---|---|---|
| GB/T 10357.3-2013 | Applies to office chair mechanical strength and durability testing | |
| GB 28007-2011 | Applies to upholstered furniture formaldehyde emission limits |
This product must meet the following technical requirements: 1. GB/T 3326-2016: Applies to office chair dimensional measurement and tolerance requirements; 2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability testing; 3. GB 28007-2011: Applies to upholstered furniture formaldehyde emission limits; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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