Black Leather Executive Visitor Chair with Polished Cantilever Base (model EC-CB-650-LEATHER) is listed under Bow Chair. Dimensions: 650 × 760 × 1040 mm. Materials: Black leather-look surface with visible natural creases; material grade requires supplier BOM confirmation. Load capacity: 70 kg distributed per seat. Product Features: Executive,style,high-back,support,fixed,cantilever,base,leather-look,upholstery,metal,frame. This page consolidates 6 groups of specifications and GB / EN standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | JIULONGYOUSHENG | Model | EC-CB-650-LEATHER |
| Overall dimensions (W × D × H) | 650 × 760 × 1040 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 | 17.5 kg |
| Recommended user weight | 160 kg | Recommended occupant height range | 1900 mm |
| Seat foam density | 45 kg/m3 | Back foam density | 35 kg/m3 |
| Foam rebound rating | 40% | Seat surface static load target | 70 kg distributed per seat |
| Cantilever cyclic durability target | 100,000 cycles | Floor runner static load target | 160 kg |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% | Outer upholstery | Black leather-look surface with visible natural creases; material grade requires supplier BOM confirmation |
| Seat cushion | 90 mm polyurethane foam pad wrapped in black upholstery for a soft front edge | Back cushion | 70 mm padded polyurethane assembly with a separate upper head-cushion zone |
| Head pillow | Integrated horizontally sewn padded section using the same black upholstery | Arm pads | Rounded black padded caps attached to the vertical polished side supports |
| Arm supports | Bright polished chrome-plated steel panels connecting the arm pads to the seat frame | Cantilever frame | Continuous polished chrome-plated steel tube forming two sled legs and a rear floor bar |
| Back internal frame | 1.5 mm steel back cradle with edge stiffeners, inferred for high-back commercial construction | Frame surface finish | Mirror-polished chrome plating over steel tubing, based on visible reflective finish |
| Floor contact runners | Chrome tube ends with concealed anti-slip glides to protect hard floors | Stitching | Single-line black upholstery seam dividing the head cushion from the lower back panel |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board | Cantilever movement | Fixed sled frame allows controlled vertical flex without swivel, tilt, or height adjustment |
| Back support | Tall segmented back provides shoulder and upper-back support with a padded head zone | Arm support | Fixed padded armrests provide forearm support and a side entry height of 180 mm above the seat |
| Floor protection | Two continuous floor runners distribute load and accept replacement nylon or felt glides | Seating entry | Open front cantilever design permits side or front entry without a front crossbar |
| Stacking | Non-stacking single-unit construction suited to permanent meeting-room layouts | Recline adjustment | No recline mechanism; back angle is fixed at a 100-degree relaxed meeting posture |
| Swivel function | No swivel bearing or five-star base, keeping the visitor position stationary | Assembly form | Back, seat, and arm assemblies mount to the polished cantilever frame with concealed fasteners |
| Maintenance | Smooth upholstery and exposed chrome frame support wiping, vacuuming, and routine chrome cleaning | Recline Angle / Lock Reference | 125° with 3suggested lock positions |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg | Carton dimensions | 720 x 660 x 1080 mm |
| 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 visitor placement | Position one or two chairs in front of an executive desk for fixed-height guest seating |
| Meeting room configuration | Use around conference tables where a quiet chrome sled base and high-back image are required | Reception and lounge area | Suitable for premium reception zones because the black upholstery coordinates with wood or metal interiors |
| Boardroom visitor seating | Place on the visitor side of boardroom tables without requiring casters or task-chair controls | Management interview room | Provides formal support for adults during conversations lasting 60 to 120 minutes |
| Hotel business center | Use in executive lounges or meeting suites needing durable wipe-clean seating | Recommended grouping | Specify in pairs or sets of 4 to 8 with matching leather grade and chrome finish across a project |
| Recommended Matching Desk Size | 2.4 m executive desk | — | — |
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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 × 760 × 1040 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 | 17.5 kg | |
|---|---|---|
| Recommended user weight | 160 kg | |
| Recommended occupant height range | 1900 mm | |
| Seat foam density | 45 kg/m3 | |
| Back foam density | 35 kg/m3 | |
| Foam rebound rating | 40% | |
| Seat surface static load target | 70 kg distributed per seat | |
| Cantilever cyclic durability target | 100,000 cycles | |
| Floor runner static load target | 160 kg | |
| Seat Foam Density / Rebound Reference | 45 kg/m³ / 65% |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Outer upholstery | Black leather-look surface with visible natural creases; material grade requires supplier BOM confirmation | |
|---|---|---|
| Seat cushion | 90 mm polyurethane foam pad wrapped in black upholstery for a soft front edge | |
| Back cushion | 70 mm padded polyurethane assembly with a separate upper head-cushion zone | |
| Head pillow | Integrated horizontally sewn padded section using the same black upholstery | |
| Arm pads | Rounded black padded caps attached to the vertical polished side supports | |
| Arm supports | Bright polished chrome-plated steel panels connecting the arm pads to the seat frame | |
| Cantilever frame | Continuous polished chrome-plated steel tube forming two sled legs and a rear floor bar | |
| Back internal frame | 1.5 mm steel back cradle with edge stiffeners, inferred for high-back commercial construction | |
| Frame surface finish | Mirror-polished chrome plating over steel tubing, based on visible reflective finish | |
| Floor contact runners | Chrome tube ends with concealed anti-slip glides to protect hard floors | |
| Stitching | Single-line black upholstery seam dividing the head cushion from the lower back panel | |
| Seat Internal Support Board Thickness | 14 mm bent plywood or equivalent support board |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| Cantilever movement | Fixed sled frame allows controlled vertical flex without swivel, tilt, or height adjustment | |
|---|---|---|
| Back support | Tall segmented back provides shoulder and upper-back support with a padded head zone | |
| Arm support | Fixed padded armrests provide forearm support and a side entry height of 180 mm above the seat | |
| Floor protection | Two continuous floor runners distribute load and accept replacement nylon or felt glides | |
| Seating entry | Open front cantilever design permits side or front entry without a front crossbar | |
| Stacking | Non-stacking single-unit construction suited to permanent meeting-room layouts | |
| Recline adjustment | No recline mechanism; back angle is fixed at a 100-degree relaxed meeting posture | |
| Swivel function | No swivel bearing or five-star base, keeping the visitor position stationary | |
| Assembly form | Back, seat, and arm assemblies mount to the polished cantilever frame with concealed fasteners | |
| Maintenance | Smooth upholstery and exposed chrome frame support wiping, vacuuming, and routine chrome cleaning | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | |
| Tilt Tension User-weight Range | Reference adjustment coverage 120 kg |
Verified carton / gross weight / assembly / loading data
Data source: Reference for export quotations and container planning.
| Carton dimensions | 720 x 660 x 1080 mm | |
|---|---|---|
| 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 visitor placement | Position one or two chairs in front of an executive desk for fixed-height guest seating | |
|---|---|---|
| Meeting room configuration | Use around conference tables where a quiet chrome sled base and high-back image are required | |
| Reception and lounge area | Suitable for premium reception zones because the black upholstery coordinates with wood or metal interiors | |
| Boardroom visitor seating | Place on the visitor side of boardroom tables without requiring casters or task-chair controls | |
| Management interview room | Provides formal support for adults during conversations lasting 60 to 120 minutes | |
| Hotel business center | Use in executive lounges or meeting suites needing durable wipe-clean seating | |
| Recommended grouping | Specify in pairs or sets of 4 to 8 with matching leather grade and chrome finish across a project | |
| Recommended Matching Desk Size | 2.4 m executive desk |
EU Market Access Requirements* EN Standards
| EN 16139:2013+AC:2015 non-domestic seating strength and durability | Primary standard reference for contract visitor and meeting-chair durability | |
|---|---|---|
| EN 1022:2018 seating stability | Recommended acceptance basis for front, rear, and side tipping stability | |
| EN 14465:2003 upholstery fabrics assessment | Use if the final material is coated textile rather than genuine leather | |
| EN 1335-2:2009 office task chairs safety requirements | Selected structural safety clauses may be referenced, though this is not a swivel task chair |
Standards applicable to China-market projects
| GB/T 3324-2024 wooden furniture general technical requirement | Use for dimensional, workmanship, and finish acceptance if wood-composite seat boards are present | |
|---|---|---|
| GB/T 3325-2017 metal furniture general technical requirement | Apply to steel-tube strength, welding, coating, and plated-frame inspection | |
| GB 18584-2001 indoor wooden furniture limited harmful substances | Use as acceptance reference for formaldehyde emission from wood-based internal panels | |
| GB/T 10357 furniture mechanical test methods | Reference test methods for seat, back, arm, and leg static and fatigue loading |
This product must meet the following technical requirements: 1. GB/T 3324-2024 wooden furniture general technical requirement: Use for dimensional, workmanship, and finish acceptance if wood-composite seat boards are present; 2. GB/T 3325-2017 metal furniture general technical requirement: Apply to steel-tube strength, welding, coating, and plated-frame inspection; 3. GB 18584-2001 indoor wooden furniture limited harmful substances: Use as acceptance reference for formaldehyde emission from wood-based internal panels; 4. GB/T 10357 furniture mechanical test methods: Reference test methods for seat, back, arm, and leg static and fatigue loading; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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