Black Padded High-Back Executive Swivel Chair with Chrome Frame (model EO-CHB-CR-01) is listed under Executive Boss Chair. Dimensions: 590 × 620 × 1010 mm. Materials: Black leather-look upholstered surface over foam; exact leather grade or PU composition requires supplier BOM confirmation.. Load capacity: 180 kg. Product Features: Black,upholstery,high-back,structure,chrome,metal,frame,five-star,mobile,base,padded,executive,style. 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 | EO-CHB-CR-01 |
| Overall dimensions (W × D × H) | 590 × 620 × 1010 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 |
| Maximum user weight | 140 kg | Back tilt static load | 180 kg |
| Seat impact durability | 100,000 cycles | Caster rolling durability | 100,000 cycles |
| Gas-lift compression durability | 100,000 cycles | Recommended daily occupancy | 1 person |
| Color options | 1 visible color | Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
| Back Foam Density Reference | 38 kg/m³ | Seat upholstery | Black leather-look upholstered surface over foam; exact leather grade or PU composition requires supplier BOM confirmation. |
| Back upholstery | Black padded upholstery divided into three horizontal support pads; visible outer material class only. | Seat cushion foam | 80 mm molded polyurethane foam, suggested density 45 kg/m3 for executive seating; density requires supplier validation. |
| Back cushion foam | 60 mm polyurethane padding with segmented support, suggested density 35 kg/m3 for back comfort and shape retention. | Internal seat shell | 12 mm plywood or engineered composite seat board with steel support plate; hidden structure based on category construction. |
| Back support frame | 20 x 2.0 mm rectangular steel back cradle behind the padded panels; inferred from the rigid upholstered sections. | Arm frame | 25 x 2.0 mm chrome-plated tubular steel continuous arm loop connecting back and seat structure. |
| Lift column | 50 mm chrome-plated steel gas lift with black telescopic sleeve; grade and supplier marking are not visible. | Tilt mechanism | 3 mm welded steel synchro-tilt plate with black painted finish and side tension control. |
| Five-star base | Polished chrome-plated steel or aluminum five-spider base, 2.0 mm wall-equivalent structural section; alloy needs BOM confirmation. | Casters | 60 mm twin-wheel black nylon casters with steel swivel stems and hard-floor contact treads. |
| Surface finish | Mirror polished chrome on exposed tubular frame and base, with black powder-coated mechanism components. | Seat height adjustment | 80 mm gas-lift travel from 450 to 530 mm using the visible under-seat lever. |
| Back tilt movement | Synchro-style recline through 15 degrees with front seat synchronized to back movement. | Tilt lock | 1 upright lock position controlled by the under-seat lever for fixed task posture. |
| Tilt tension control | Side rotary tension knob adjusts resistance for users up to the 140 kg target. | Fixed arm support | Cantilevered tubular armrests provide 230 mm forearm support height without pad-height adjustment. |
| Mobility | Five dual-wheel casters provide omnidirectional movement on a 700 mm diameter base. | Stability geometry | Five-star load distribution and 620 mm depth resist rearward tipping during the 15-degree recline. |
| Back support zones | Three segmented padded zones distribute support across lumbar, mid-back, and shoulder areas. | Caster mounting | Five stem-mounted casters allow field replacement without disassembling the base. |
| 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 | 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 for managers and directors needing a high-back chair with formal black and chrome appearance. | Private workstation | Fits desks with at least 700 mm knee-depth and 600 mm chair clearance for swivel and recline use. |
| Meeting and conference room | Appropriate for long discussions where mobile seating and padded back support are required. | Reception or management meeting area | Formal black upholstery and polished metal frame coordinate with professional visitor seating. |
| Hard-floor and carpet interiors | Twin-wheel casters support movement across tile, wood, vinyl, and low-pile carpeted floors. | Single-user daily office use | Recommended for one occupant at a time with a 140 kg maximum user-weight target. |
| Procurement configuration | Pair with an executive desk 1600 mm or wider to accommodate the 700 mm mobile base footprint. | 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) | 590 × 620 × 1010 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 | |
|---|---|---|
| Maximum user weight | 140 kg | |
| Back tilt static load | 180 kg | |
| Seat impact durability | 100,000 cycles | |
| Caster rolling durability | 100,000 cycles | |
| Gas-lift compression durability | 100,000 cycles | |
| Recommended daily occupancy | 1 person | |
| Color options | 1 visible color | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | |
| Back Foam Density Reference | 38 kg/m³ |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Seat upholstery | Black leather-look upholstered surface over foam; exact leather grade or PU composition requires supplier BOM confirmation. | |
|---|---|---|
| Back upholstery | Black padded upholstery divided into three horizontal support pads; visible outer material class only. | |
| Seat cushion foam | 80 mm molded polyurethane foam, suggested density 45 kg/m3 for executive seating; density requires supplier validation. | |
| Back cushion foam | 60 mm polyurethane padding with segmented support, suggested density 35 kg/m3 for back comfort and shape retention. | |
| Internal seat shell | 12 mm plywood or engineered composite seat board with steel support plate; hidden structure based on category construction. | |
| Back support frame | 20 x 2.0 mm rectangular steel back cradle behind the padded panels; inferred from the rigid upholstered sections. | |
| Arm frame | 25 x 2.0 mm chrome-plated tubular steel continuous arm loop connecting back and seat structure. | |
| Lift column | 50 mm chrome-plated steel gas lift with black telescopic sleeve; grade and supplier marking are not visible. | |
| Tilt mechanism | 3 mm welded steel synchro-tilt plate with black painted finish and side tension control. | |
| Five-star base | Polished chrome-plated steel or aluminum five-spider base, 2.0 mm wall-equivalent structural section; alloy needs BOM confirmation. | |
| Casters | 60 mm twin-wheel black nylon casters with steel swivel stems and hard-floor contact treads. | |
| Surface finish | Mirror polished chrome on exposed tubular frame and base, with black powder-coated mechanism components. |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Seat height adjustment | 80 mm gas-lift travel from 450 to 530 mm using the visible under-seat lever. | |
|---|---|---|
| Back tilt movement | Synchro-style recline through 15 degrees with front seat synchronized to back movement. | |
| Tilt lock | 1 upright lock position controlled by the under-seat lever for fixed task posture. | |
| Tilt tension control | Side rotary tension knob adjusts resistance for users up to the 140 kg target. | |
| Fixed arm support | Cantilevered tubular armrests provide 230 mm forearm support height without pad-height adjustment. | |
| Mobility | Five dual-wheel casters provide omnidirectional movement on a 700 mm diameter base. | |
| Stability geometry | Five-star load distribution and 620 mm depth resist rearward tipping during the 15-degree recline. | |
| Back support zones | Three segmented padded zones distribute support across lumbar, mid-back, and shoulder areas. | |
| Caster mounting | Five stem-mounted casters allow field replacement without disassembling the base. | |
| 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.
| 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 for managers and directors needing a high-back chair with formal black and chrome appearance. | |
|---|---|---|
| Private workstation | Fits desks with at least 700 mm knee-depth and 600 mm chair clearance for swivel and recline use. | |
| Meeting and conference room | Appropriate for long discussions where mobile seating and padded back support are required. | |
| Reception or management meeting area | Formal black upholstery and polished metal frame coordinate with professional visitor seating. | |
| Hard-floor and carpet interiors | Twin-wheel casters support movement across tile, wood, vinyl, and low-pile carpeted floors. | |
| Single-user daily office use | Recommended for one occupant at a time with a 140 kg maximum user-weight target. | |
| Procurement configuration | Pair with an executive desk 1600 mm or wider to accommodate the 700 mm mobile base footprint. | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 1335-1 dimensions | Defines dimensional safety and ergonomic test geometry for office task seating. | |
|---|---|---|
| EN 1335-2 safety requirements | Applies to structural safety, stability, caster strength, and mechanism integrity. | |
| EN 1335-3 test methods | Defines static, fatigue, impact, and durability test procedures for the chair. | |
| EN 1022 domestic seating stability | Provides applicable overturning assessment for upright and reclined seating positions. |
US and Canada office-furniture standards
| ANSI/BIFMA X5.1 office chairs | Applies to back, seat, base, arm, tilt, and caster strength and durability acceptance testing. |
|---|
Standards applicable to China-market projects
| GB/T 10357.3 furniture strength and durability | Applies to seat and back static-load, impact, and fatigue acceptance testing for metal office seating. | |
|---|---|---|
| GB/T 3324 general technical specification | Applies to dimensional tolerances, finish quality, and structural inspection of metal and upholstered furniture. | |
| GB/T 27924 laboratory furniture safety | Provides relevant stability and safety reference for swivel office chairs used indoors. |
This product must meet the following technical requirements: 1. GB/T 10357.3 furniture strength and durability: Applies to seat and back static-load, impact, and fatigue acceptance testing for metal office seating.; 2. GB/T 3324 general technical specification: Applies to dimensional tolerances, finish quality, and structural inspection of metal and upholstered furniture.; 3. GB/T 27924 laboratory furniture safety: Provides relevant stability and safety reference for swivel office chairs used indoors.; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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