| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions (W x D x H) | 700 x 680 x 1280 mm | |
|---|---|---|
| Seat width (between armrests) | 520 mm | |
| Seat depth | 500 mm | |
| Seat height range (floor to top of seat) | 500 mm | |
| Backrest height (top of seat to top of headrest) | 780 mm | |
| Backrest width (widest point) | 500 mm | |
| Armrest height (top of seat to top of arm pad) | 220 mm | |
| Armrest pad dimensions (W x D) | 80 x 280 mm | |
| 5-star base diameter | 700 mm | |
| Caster wheel diameter | 60 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 static weight capacity | 150 kg | |
| Cushion foam density reference | 45 kg/m³ | |
| Backrest foam density reference | 35 kg/m³ | |
| Upholstery abrasion resistance reference | 50000 cycles | |
| Gas lift vertical adjustment stroke | 100 mm | |
| Tilt mechanism recline angle range | 18 degrees | |
| 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 |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Black smooth faux leather (PVC/PU blend) cover with precision-stitched seams | |
|---|---|---|
| Seat and backrest padding | High-resilience polyurethane foam core molded to ergonomic contour | |
| Internal seat frame | Plywood and steel tubular support frame wrapped in webbing | |
| Armrest structure | Polished die-cast aluminum vertical support with black padded top surface | |
| 5-star base | Polished aluminum one-piece die-cast base with five radiating legs | |
| Height adjustment gas lift | Chrome-plated steel gas spring cylinder with black shroud | |
| Tilt mechanism housing | Black powder-coated steel chassis with dual side control levers | |
| Casters | Black PU-tired wheels with chrome-plated fork housings | |
| Stitching details | Uniform straight seam lines outlining headrest, back panels and seat edges | |
| 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 | Pneumatic lift operated by right-side lever, providing vertical travel up to 100 mm between minimum and maximum seat height | |
|---|---|---|
| Backrest tilt and lock | Synchro-tilt mechanism with adjustable tilt tension, reclining up to 18 degrees from upright and lockable in multiple positions | |
| 360-degree swivel | Full continuous rotation around central gas lift axis supported by top and bottom bearing assemblies | |
| Fixed ergonomic armrests | Stationary padded arm supports at fixed height and width, providing forearm and elbow support during typing and rest positions | |
| Integrated headrest section | Extended upper backrest panel with additional padding to support head and neck during reclined postures | |
| Mobility on hard and soft floors | Five dual-wheel casters enabling smooth rolling across carpet, tile and wood office flooring surfaces | |
| Knee-tilt pivot geometry | Tilt pivot point positioned forward of seat center to keep feet on floor during recline and reduce seat front edge lift | |
| 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
| Number of shipping cartons | 1 unit per carton | |
|---|---|---|
| Carton dimensions (L x W x H) | 800 x 650 x 550 mm | |
| Gross weight per carton | 25 kg | |
| CBM per carton | 0.286 m³ | |
| Assembly time (single technician) | 30 minutes | |
| 20 ft container loading quantity | 180 units | |
| 40 ft HC container loading quantity | 420 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set | |
| Reference Carton Dimensions | 850× 420× 720 mm |
Recommended spaces / users / usage modes
| Private executive office | Ideal for manager and director offices requiring a professional leather-look appearance with full back and head support during long work and meeting sessions | |
|---|---|---|
| Conference and boardroom seating | Suitable for premium meeting rooms around board tables, where a coordinated executive look and comfort during long meetings are required | |
| Home office premium setup | Appropriate for residential home offices seeking a commercial-grade ergonomic chair with upscale black finish that matches modern desk furniture | |
| Reception and guest areas | Can be used at executive reception desks and VIP waiting zones to present a polished, high-end first impression to visiting clients | |
| Co-working premium booths | Suitable for dedicated premium workstations in co-working spaces where users expect better support and a more executive aesthetic than standard task chairs | |
| 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 dimensions, safety and stability requirements in the European market | |
|---|---|---|
| EN 1022:2018 | Applicable for seating stability testing under static load conditions |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2021 | Applicable for general office chairs performance and durability testing including cycle, static and impact tests | |
|---|---|---|
| ANSI/BIFMA X5.9-2020 | Applicable for office seating base and caster performance evaluation |
Standards applicable to China-market projects
| GB/T 39223.1-2020 | Applicable for office chair general safety, strength and durability testing when selling into mainland China market | |
|---|---|---|
| GB/T 14530-2017 | Applicable for office chair casters and base structural performance acceptance criteria |
This product must meet the following technical requirements: 1. GB/T 39223.1-2020: Applicable for office chair general safety, strength and durability testing when selling into mainland China market; 2. GB/T 14530-2017: Applicable for office chair casters and base structural performance acceptance criteria; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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