| Submitted | Field | Original | Note / Status | |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
| Overall dimensions | 620 x 650 x 1120 mm | |
|---|---|---|
| Seat width | 500 mm | |
| Seat depth | 480 mm | |
| Seat height range | 500 mm | |
| Backrest height | 680 mm | |
| Backrest width | 490 mm | |
| Armrest height above seat | 210 mm | |
| 5-star base diameter | 700 mm | |
| Caster 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
| Recommended maximum user weight | 120 kg | |
|---|---|---|
| Net weight reference | 18 kg | |
| Seat foam density reference | 45 kg/m³ | |
| Back foam density reference | 35 kg/m³ | |
| Caster rolling cycle reference | 100000 cycles | |
| Gas lift cycle reference | 100000 cycles | |
| Stitch pitch reference | 8 stitches per 50 mm | |
| Seat foam density | 45 kg/m³ | |
| Back foam density | 35 kg/m³ | |
| Caster rolling cycle rating | 100000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
| Seat and backrest upholstery | Smooth dark brown faux leather (PVC/PU blend) cover with stitched edge detailing | |
|---|---|---|
| Seat and backrest padding | Molded polyurethane foam core with layered density construction | |
| Internal seat frame | Plywood or steel inner support frame mounted to the tilt mechanism | |
| Armrest assembly | Polished aluminum die-cast arm supports with matching brown upholstered arm pads, fixed to the seat frame | |
| Height adjustment gas lift | Chrome-plated steel gas spring column, Class 3 standard | |
| Tilt mechanism | Black powder-coated steel plate mechanism with single locking lever | |
| 5-star base | Polished aluminum die-cast 5-leg base with ribbed upper surface | |
| Casters | Dual-wheel casters with black nylon wheels and chrome-plated mounting brackets | |
| Seat cushion padding | Molded high-density polyurethane foam core with layered density construction | |
| Backrest padding | Molded medium-density polyurethane foam with ergonomic contoured shaping | |
| 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
| Seat height adjustment | Pneumatic height adjustment via left-side lever, controlled by a gas spring column with 100 mm travel range | |
|---|---|---|
| Swivel function | 360-degree continuous rotation around the central gas lift axis, enabled by a bearing-mounted base assembly | |
| Seat tilt function | Synchronous or seat-only tilt mechanism with lockable position, maximum tilt angle of 15 degrees backward | |
| Fixed armrests | Non-adjustable armrests rigidly mounted to the seat frame, providing elbow and forearm support at fixed height | |
| Mobility | Five dual-wheel casters mounted to the 5-star base for rolling movement on hard office floors | |
| 360-degree swivel function | Continuous 360-degree rotation around the central gas lift axis, enabled by a precision bearing-mounted base assembly | |
| Tilt tension adjustment | Rotary tension knob under the seat adjusts tilt resistance to match user body weight, with a 10-turn adjustment range | |
| Fixed armrest support | Non-adjustable armrests rigidly mounted to the seat frame, providing elbow and forearm support at fixed 210 mm height above the seat cushion | |
| Hard-floor mobility | Five 60 mm dual-wheel nylon casters mounted to the 5-star base for smooth rolling movement on hard office floor surfaces | |
| Gas lift stroke | 100 mm | |
| Recline Angle / Lock Reference | 125° with 3 suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
| Packed carton count | 1 unit | |
|---|---|---|
| Reference carton dimensions | 650 x 650 x 350 mm | |
| Reference gross weight | 21 kg | |
| Reference carton volume | 0.148 CBM | |
| Assembly time reference | 30 minutes | |
| 20ft container loading quantity reference | 220 units | |
| Assembly time | 30 minutes | |
| 20ft container loading quantity | 220 units | |
| Reference Package Count | 1 set / 2 cartons | |
| Reference Assembly Time | 40 minutes per set |
Recommended spaces / users / usage modes
| Private executive offices | Suitable for use as a primary work chair in C-suite or manager offices, matching premium leather-style aesthetic with formal work environments | |
|---|---|---|
| Conference rooms | Suitable for meeting and boardroom seating around conference tables, providing consistent styling and 360-degree swivel for discussion participation | |
| Reception and visitor areas | Suitable for premium visitor seating in lobbies or partner meeting zones, projecting a polished, high-end office image | |
| Home office workspaces | Suitable for professional home office setups, offering height adjustability and tilt support for remote work tasks | |
| Co-working premium zones | Suitable for dedicated workstations in high-end co-working spaces, combining durable commercial construction with upscale appearance | |
| 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, used as reference for ergonomic seat and back dimension compliance | |
|---|---|---|
| EN 1335-2:2019 | Applicable for office chair safety, strength and durability requirements, used as acceptance reference for structural performance |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1-2017 | Applicable for office chairs general safety and performance standard, used as acceptance reference for stability, strength and durability testing |
|---|
Standards applicable to China-market projects
| GB/T 38069-2019 | Applicable for office chair general technical requirements, used as acceptance reference for structure, stability and mechanical properties | |
|---|---|---|
| GB 28007-2011 | Applicable for office furniture limit of harmful substances, used as acceptance reference for formaldehyde and VOC emissions from upholstery and panel parts | |
| GB/T 10357.7-2013 | Applicable for furniture mechanical property testing of swivel chairs, used as acceptance reference for tilt mechanism and gas lift durability |
This product must meet the following technical requirements: 1. GB/T 38069-2019: Applicable for office chair general technical requirements, used as acceptance reference for structure, stability and mechanical properties; 2. GB 28007-2011: Applicable for office furniture limit of harmful substances, used as acceptance reference for formaldehyde and VOC emissions from upholstery and panel parts; 3. GB/T 10357.7-2013: Applicable for furniture mechanical property testing of swivel chairs, used as acceptance reference for tilt mechanism and gas lift durability; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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