Gray Upholstered Swivel Executive Conference Chair with Polished Five-Star Base (model OFC-GRY-MID-5STAR) is listed under Executive Boss Chair. Dimensions: 650 × 650 × 980 mm. Materials: Gray padded upholstery with visible seam panels; exact leather, PU, or fabric grade requires supplier BOM confirmation. Load capacity: 1,020 kg. Product Features: Mid-back,integrated,arms,swivel,base,upholstered,executive,chair,polished,metal. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | JIULONGYOUSHENG | Model | OFC-GRY-MID-5STAR |
| Overall dimensions (W × D × H) | 650 × 650 × 980 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 | 18 kg |
| Recommended user weight capacity | 150 kg | Seat foam thickness | 80 mm |
| Back foam thickness | 50 mm | Seat foam density | 45 kg/m3 |
| Back foam density | 35 kg/m3 | Foam rebound rate | 40% |
| Upholstery abrasion acceptance target | 50,000 Martindale cycles | Seat static load acceptance target | 1,020 kg |
| Caster rolling durability target | 100,000 cycles | Seat and back upholstery | Gray padded upholstery with visible seam panels; exact leather, PU, or fabric grade requires supplier BOM confirmation |
| Integrated arm upholstery | Gray upholstered continuous arm rolls connected to the back shell for a tailored perimeter | Side accent panel | Tan inset panel on the outer arm/back side with a smooth hard or semi-soft finish |
| Seat cushion core | 80 mm molded polyurethane foam over a rigid seat support board | Back cushion core | 50 mm molded polyurethane padding over a shaped internal back board |
| Internal seat shell | 12 mm molded plywood or polymer seat board with steel reinforcement plates | Internal back frame | 8 mm shaped polymer or plywood panel attached to the steel tilt mechanism |
| Gas lift | Chrome-plated steel telescopic gas lift, 50 mm outer diameter and 100 mm lift stroke | Five-star base | Polished chrome-plated steel or aluminum five-star base with 2.0 mm structural section target |
| Tilt mechanism | Black steel under-seat multi-lever mechanism with an 3.0 mm top plate | Casters | Five black twin-wheel swivel casters, 60 mm diameter, with polymer wheel treads |
| Stitching and seams | Panel seam construction with 80 mm stitch pitch target for upholstery QC | 360-degree swivel | Full rotational swivel around the central gas lift for conference and desk orientation |
| Pneumatic seat height adjustment | Lever-operated gas lift with 100 mm vertical travel and a maximum seat height of 530 mm | Back tilt movement | Synchronized or center-tilt mechanism providing 12-degree rearward recline |
| Tilt lock function | Lockable upright/recline position controlled by the secondary black under-seat lever | Tilt tension adjustment | Rotary tension knob under the seat for user-weight resistance setting |
| Integrated arm support | Fixed curved arms provide forearm support at 220 mm above the seat and do not independently adjust | Mobility | Five twin-wheel casters support omnidirectional movement on hard floors or low-pile carpet |
| Seating posture | Mid-back contour supports lumbar and lower thoracic contact during meeting or computer work | Color configuration | One visible gray-and-tan colorway; procurement listing uses 1 standard color option |
| 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 | Gross weight per carton | 22 kg |
| 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 | Executive office | Suitable behind a manager desk where the tailored gray upholstery and polished base create a professional seating position |
| Conference room | Suited to meeting tables up to 750 mm high because the swivel base supports easy turning and caster movement | Private workstation | Appropriate for computer and document work with 470 mm seat depth and integrated forearm support |
| Reception or visitor setting | Can be used at reception desks or visitor positions where a refined compact chair is needed | Hotel business center | Suitable for short-duration guest computer work and meeting use in hotel business lounges |
| Floor surface recommendation | Best used on wood, tile, vinyl, or low-pile carpet with 60 mm twin-wheel casters | Single user capacity | Designed for one adult occupant per chair, with a 150 kg procurement weight target |
| Recommended Matching Desk Size | 2.4 m executive desk | — | — |
| Time | Field | Original Value | Corrected Value | Note / Status |
|---|---|---|---|---|
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Automatic mm / inch conversion · Core engineering specifications
Data source: Structured from factory data; final measured values prevail.
| Overall dimensions (W × D × H) | 650 × 650 × 980 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
Data source: Product performance data; verify exact test conditions before procurement.
| Net weight | 18 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Seat foam thickness | 80 mm | |
| Back foam thickness | 50 mm | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 | |
| Foam rebound rate | 40% | |
| Upholstery abrasion acceptance target | 50,000 Martindale cycles | |
| Seat static load acceptance target | 1,020 kg | |
| Caster rolling durability target | 100,000 cycles |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat and back upholstery | Gray padded upholstery with visible seam panels; exact leather, PU, or fabric grade requires supplier BOM confirmation | |
|---|---|---|
| Integrated arm upholstery | Gray upholstered continuous arm rolls connected to the back shell for a tailored perimeter | |
| Side accent panel | Tan inset panel on the outer arm/back side with a smooth hard or semi-soft finish | |
| Seat cushion core | 80 mm molded polyurethane foam over a rigid seat support board | |
| Back cushion core | 50 mm molded polyurethane padding over a shaped internal back board | |
| Internal seat shell | 12 mm molded plywood or polymer seat board with steel reinforcement plates | |
| Internal back frame | 8 mm shaped polymer or plywood panel attached to the steel tilt mechanism | |
| Gas lift | Chrome-plated steel telescopic gas lift, 50 mm outer diameter and 100 mm lift stroke | |
| Five-star base | Polished chrome-plated steel or aluminum five-star base with 2.0 mm structural section target | |
| Tilt mechanism | Black steel under-seat multi-lever mechanism with an 3.0 mm top plate | |
| Casters | Five black twin-wheel swivel casters, 60 mm diameter, with polymer wheel treads | |
| Stitching and seams | Panel seam construction with 80 mm stitch pitch target for upholstery QC |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| 360-degree swivel | Full rotational swivel around the central gas lift for conference and desk orientation | |
|---|---|---|
| Pneumatic seat height adjustment | Lever-operated gas lift with 100 mm vertical travel and a maximum seat height of 530 mm | |
| Back tilt movement | Synchronized or center-tilt mechanism providing 12-degree rearward recline | |
| Tilt lock function | Lockable upright/recline position controlled by the secondary black under-seat lever | |
| Tilt tension adjustment | Rotary tension knob under the seat for user-weight resistance setting | |
| Integrated arm support | Fixed curved arms provide forearm support at 220 mm above the seat and do not independently adjust | |
| Mobility | Five twin-wheel casters support omnidirectional movement on hard floors or low-pile carpet | |
| Seating posture | Mid-back contour supports lumbar and lower thoracic contact during meeting or computer work | |
| Color configuration | One visible gray-and-tan colorway; procurement listing uses 1 standard color option | |
| 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
Data source: Reference for export quotations and container planning.
| Gross weight per carton | 22 kg | |
|---|---|---|
| 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
Data source: Recommended applications based on product form and category.
| Executive office | Suitable behind a manager desk where the tailored gray upholstery and polished base create a professional seating position | |
|---|---|---|
| Conference room | Suited to meeting tables up to 750 mm high because the swivel base supports easy turning and caster movement | |
| Private workstation | Appropriate for computer and document work with 470 mm seat depth and integrated forearm support | |
| Reception or visitor setting | Can be used at reception desks or visitor positions where a refined compact chair is needed | |
| Hotel business center | Suitable for short-duration guest computer work and meeting use in hotel business lounges | |
| Floor surface recommendation | Best used on wood, tile, vinyl, or low-pile carpet with 60 mm twin-wheel casters | |
| Single user capacity | Designed for one adult occupant per chair, with a 150 kg procurement weight target | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1 applicability | Use for office chair dimensional safety and ergonomic geometry verification | |
|---|---|---|
| EN 1335-2 applicability | Use for safety, stability, and structural strength acceptance requirements | |
| EN 1335-3 applicability | Use for structural and safety test methods on the gas lift, mechanism, base, arms, and casters | |
| EN 1022 applicability | Use as a chair stability test reference when project testing is specified |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 applicability | Applicable standards and test results require confirmation |
|---|
Standards applicable to China-market projects
| GB/T 10357.2 applicability | Use for furniture mechanical surface coatingPhysical and chemicaland wear-related acceptance if coated rigid components are supplied | |
|---|---|---|
| GB/T 10357.3 applicability | Use as the chair strength and durability test-method reference for back, seat, and arm loading | |
| GB 28007 applicability | Use as the children's furniture safety reference only if a child-use version is ordered |
This product must meet the following technical requirements: 1. GB/T 10357.2 applicability: Use for furniture mechanical surface coatingPhysical and chemicaland wear-related acceptance if coated rigid components are supplied; 2. GB/T 10357.3 applicability: Use as the chair strength and durability test-method reference for back, seat, and arm loading; 3. GB 28007 applicability: Use as the children's furniture safety reference only if a child-use version is ordered; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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