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Black Leather Executive Swivel Lounge Chair with Polished Metal Base Specifications

EXE-HB-4G-BLK-01Code:NJKYY3V1

Black Leather Executive Swivel Lounge Chair with Polished Metal Base (model EXE-HB-4G-BLK-01) is listed under Executive Boss Chair. Dimensions: 740 × 760 × 1080 mm. Materials: Black full-grain appearance leather or corrected-grain leather cover, 1.4 mm thickness. Load capacity: 240 kg. Product Features: Executive,style,high-back,structure,black,upholstery,polished,metal,base,stationary,glide. 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.

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2026-10-31 18:38Popularity: 1
BrandJIULONGYOUSHENGModelEXE-HB-4G-BLK-01
Overall dimensions (W × D × H)740 × 760 × 1080 mmFinished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mmLumbar Support Zone Height240 mm
Clear Width Between Armrests540 mmNet weight24 kg
Recommended user weight160 kgStatic seat load verification target240 kg
Backrest static load verification target120 kgSeating capacity1 person
Swivel bearing design target100,000 cyclesArm downward load target680 N per arm
Floor contact points4 glidesWarranty target5 years
Seat Foam Density / Rebound Reference45 kg/m³ / 65%Outer upholsteryBlack full-grain appearance leather or corrected-grain leather cover, 1.4 mm thickness
Alternative upholstery optionBlack polyurethane leather, 1.2 mm thickness, 50,000-cycle abrasion targetSeat foamMolded polyurethane cushion, 90 mm thickness and 45 kg/m3 density
Back foamMolded polyurethane back padding, 40 mm thickness and 35 kg/m3 densityFoam resilience target35 percent ball rebound
Internal back shell12 mm molded plywood or 8 mm reinforced polymer panelArm padsBlack upholstered padding over rigid arm form with tailored edge stitching
Arm supportsPolished die-cast aluminum or chrome-plated steel brackets, 3 mm wall targetSwivel columnPolished chrome-plated steel tube, 50 mm diameter and 2.0 mm wall target
Four-prong basePolished aluminum or chrome-plated steel cantilever base, 700 mm footprintFloor glidesFour non-marking polymer glides with black wear pads, 35 mm diameter
Seam constructionTailored stitched upholstery with 8stitches per 50 mm360-degree swivelCentral column rotates the seat and back through 360 degrees for conversational positioning
Stationary baseFour-prong glide base provides fixed placement without casters for executive lounge useHigh-back support680 mm high back provides shoulder and upper-back support for upright-relaxed seating
Integrated arm supportPadded fixed armrests at 220 mm above seat support forearm resting during meetingsFloor protectionFour 35 mm polymer glides distribute load and reduce floor scratching on hard surfaces
Manual positioningGlide base allows limited repositioning by lifting or sliding, with no gas-height control visiblePosture typeFixed lounge posture with 100-degree back angle for executive reception seating
Color option count1 standard black upholstery finish with polished metal baseCleaning accessSmooth upholstered faces and open four-prong base permit vacuuming and floor cleaning beneath the seat
Swivel column diameter50 mmRecline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kgReference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per setReference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/setReference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilizationIndicative 40HQ Loading320 sets at 85% space utilization
Executive officePlaced behind or beside a management desk for high-back visitor or relaxed executive seatingMeeting roomUsed around conference or negotiation tables where swivel access and stationary placement are preferred
Reception loungeSuitable for premium reception seating with a compact 740 mm footprint and glide-protected floor contactBoardroom lounge zonePairs with sofas or side tables in breakout and pre-meeting areas for single-person support
Hotel executive loungeSuitable for hotel business lounges requiring tailored black upholstery and durable metal constructionPrivate studyFits residential studies or home executive rooms as a fixed-position desk-side or reading chair
Recommended Matching Desk Size2.4 m executive deskReference Daily Use Duration8 hours/day; confirm by ergonomic testing
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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Data source: Structured from factory data; final measured values prevail.

Overall dimensions (W × D × H)740 × 760 × 1080 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 mm
PRODUCT MODULE 02 / 06

Weight, Load & Performance

Net weight / load capacity / users / durability

Data source: Product performance data; verify exact test conditions before procurement.

Net weight24 kg
Recommended user weight160 kg
Static seat load verification target240 kg
Backrest static load verification target120 kg
Seating capacity1 person
Swivel bearing design target100,000 cycles
Arm downward load target680 N per arm
Floor contact points4 glides
Warranty target5 years
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Outer upholsteryBlack full-grain appearance leather or corrected-grain leather cover, 1.4 mm thickness
Alternative upholstery optionBlack polyurethane leather, 1.2 mm thickness, 50,000-cycle abrasion target
Seat foamMolded polyurethane cushion, 90 mm thickness and 45 kg/m3 density
Back foamMolded polyurethane back padding, 40 mm thickness and 35 kg/m3 density
Foam resilience target35 percent ball rebound
Internal back shell12 mm molded plywood or 8 mm reinforced polymer panel
Arm padsBlack upholstered padding over rigid arm form with tailored edge stitching
Arm supportsPolished die-cast aluminum or chrome-plated steel brackets, 3 mm wall target
Swivel columnPolished chrome-plated steel tube, 50 mm diameter and 2.0 mm wall target
Four-prong basePolished aluminum or chrome-plated steel cantilever base, 700 mm footprint
Floor glidesFour non-marking polymer glides with black wear pads, 35 mm diameter
Seam constructionTailored stitched upholstery with 8stitches per 50 mm
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivelCentral column rotates the seat and back through 360 degrees for conversational positioning
Stationary baseFour-prong glide base provides fixed placement without casters for executive lounge use
High-back support680 mm high back provides shoulder and upper-back support for upright-relaxed seating
Integrated arm supportPadded fixed armrests at 220 mm above seat support forearm resting during meetings
Floor protectionFour 35 mm polymer glides distribute load and reduce floor scratching on hard surfaces
Manual positioningGlide base allows limited repositioning by lifting or sliding, with no gas-height control visible
Posture typeFixed lounge posture with 100-degree back angle for executive reception seating
Color option count1 standard black upholstery finish with polished metal base
Cleaning accessSmooth upholstered faces and open four-prong base permit vacuuming and floor cleaning beneath the seat
Swivel column diameter50 mm
Recline Angle / Lock Reference125° with 3suggested lock positions
Tilt Tension User-weight RangeReference adjustment coverage 120 kg
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilization
Indicative 40HQ Loading320 sets at 85% space utilization
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Executive officePlaced behind or beside a management desk for high-back visitor or relaxed executive seating
Meeting roomUsed around conference or negotiation tables where swivel access and stationary placement are preferred
Reception loungeSuitable for premium reception seating with a compact 740 mm footprint and glide-protected floor contact
Boardroom lounge zonePairs with sofas or side tables in breakout and pre-meeting areas for single-person support
Hotel executive loungeSuitable for hotel business lounges requiring tailored black upholstery and durable metal construction
Private studyFits residential studies or home executive rooms as a fixed-position desk-side or reading chair
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Seating strength and durabilityEN 16139, applicable to non-domestic seating strength and durability requirements
Upholstered furniture burning behaviorEN 1021and EN 1021applicable to ignition by smouldering cigarette and match flame
Office chair dimensionsEN 1335applicable to dimensional terminology and office-chair measurement methods
Office chair safety and stabilityEN 16139 or EN 1335applicable according to final task-chair or lounge-chair classification
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

North America procurement and testing referenceRecommended references: ANSI/BIFMA X5.4
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Upholstered furniture flammability considerationGB 17927, applicable to combustion behavior requirements for upholstered furniture and mattresses
Formaldehyde emission considerationGB/T 39600, applicable to formaldehyde emission classification for wood-based panels in furniture structures
Furniture mechanical test considerationGB/T 10357, applicable to strength, durability, and stability test methods for seating furniture
Standardized tender description text
This product must meet the following technical requirements:
1. Upholstered furniture flammability consideration: GB 17927, applicable to combustion behavior requirements for upholstered furniture and mattresses;
2. Formaldehyde emission consideration: GB/T 39600, applicable to formaldehyde emission classification for wood-based panels in furniture structures;
3. Furniture mechanical test consideration: GB/T 10357, applicable to strength, durability, and stability test methods for seating furniture;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The Black Leather Executive Swivel Lounge Chair presents a tailored executive silhouette with a high back, broad padded seat, and integrated fixed armrests. Its black upholstery is paired with polished metal arm supports, a central steel swivel column, and a four-prong metal base, producing a formal appearance suited to premium office and lounge settings. The chair is intended for one occupant and uses a stationary glide base rather than casters, giving it a composed, fixed-position look while still allowing limited movement by lifting or sliding. Overall dimensions are 740 by 760 by 1080 millimetres, with 540 millimetres of clear width between the armrests. The model reference is EXE-HB-4G-BLK-01 and the product is supplied unbranded. Construction combines padded comfort with a structured support system. The outer cover is offered in a black full-grain appearance leather or corrected-grain leather cover at 1.4 millimetres, or as a black polyurethane leather option at 1.2 millimetres. The seat uses a 90 millimetre molded polyurethane cushion at 45 kilograms per cubic metre density, while the back padding is molded polyurethane at 35 kilograms per cubic metre. The internal back shell is formed from molded plywood or reinforced polymer. Arm pads are upholstered in black with tailored edge stitching over rigid forms, and the supports use polished die-cast aluminum or chrome-plated steel brackets. The polished chrome-plated steel swivel column connects to the four-prong base, which is fitted with polymer floor glides. Functionally, the seat and back rotate through 360 degrees, supporting conversational orientation in meetings or reception areas. The fixed lounge posture uses a 100-degree back angle, and the 680 millimetre high back is designed to support the shoulders and upper back. Padded armrests sit 220 millimetres above the seat for forearm support, while the four 35 millimetre glides help reduce scratching on hard flooring. There is no visible gas-height control, reinforcing the chair’s streamlined executive character. This model is appropriate for management offices, meeting rooms, negotiation areas, reception lounges, boardroom breakout zones, and hotel executive lounges. It also fits private studies or home executive rooms as a desk-side or reading chair. Buyers should select the upholstery option that matches the intended setting and maintenance expectations, confirm floor type for glide use, and plan for assembly from two cartons. The reference assembly time is 40 minutes per set, and procurement teams should account for the chair’s 24 kilogram net weight and packaged volume when coordinating delivery and installation.

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