High-Back Executive Swivel Chair with Walnut Bentwood Shell and Beige Upholstery (model HB-EWC-700-BG) is listed under Executive Boss Chair. Dimensions: 650 × 720 × 1220 mm. Materials: Walnut-toned bent plywood, 12 mm nominal thickness, with continuous curved side wings. Load capacity: 1136 kg. Product Features: High-back,executive,style,bentwood,shell,five-star,swivel,base,upholstered,chair. This page consolidates 6 groups of specifications and ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.
| Brand | JIULONGYOUSHENG | Model | HB-EWC-700-BG |
| Overall dimensions (W × D × H) | 650 × 720 × 1220 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 | 24 kg |
| Recommended user weight capacity | 150 kg | Static base load rating | 1136 kg |
| Seat dynamic durability | 120000 cycles | Backrest cyclic durability | 120000 cycles |
| Caster rolling durability | 100000 cycles | Foam density | 45 kg/m3 |
| Foam rebound | 40% | Upholstery abrasion resistance | 50000 Martindale cycles |
| Seam pitch | 8 stitches per 100 mm | Outer back and seat shell | Walnut-toned bent plywood, 12 mm nominal thickness, with continuous curved side wings |
| Seat upholstery | Beige leather-look upholstery over 90 mm padded cushion | Back upholstery | Beige upholstered two-zone cushion fitted within the bentwood shell |
| Seat foam core | Molded polyurethane foam, 45 kg/m3 target density and 90 mm thickness | Back foam core | Shaped polyurethane padding, 70 mm maximum thickness with lumbar contour |
| Internal seat support | 15 mm plywood or steel-reinforced board under the cushion | Five-star base | Polished die-cast aluminum or chrome-plated steel five-arm base, 700 mm diameter |
| Gas lift | Black and polished steel class-4 gas lift with 50 mm outer tube | Tilt mechanism | Black steel synchro-tilt plate mounted beneath the seat |
| Casters | Five black nylon twin-wheel swivel casters with 60 mm wheels | Edge and joining hardware | Concealed steel screws, mounting plates, and mechanism fasteners |
| Surface finish | Smooth wood veneer or laminate finish with subtle sheen and matte beige upholstery | 360-degree swivel | Full 360-degree rotational swivel through the central gas-lift bearing |
| Pneumatic height adjustment | 100 mm upward/downward seat-height travel controlled by a side lever | Back tilt movement | 15-degree maximum rearward synchro tilt with seat and back coordination |
| Tilt lock | One-position upright lock plus free-float mode operated by the visible lever set | Mobility | Five twin-wheel casters provide omnidirectional movement on hard floors and low-pile carpet |
| Integrated body support | Continuous bentwood side wings provide lateral support without separate protruding arms | Two-zone back support | Separate upper-back and lower-back padded sections follow a 100-degree reclined back angle |
| Weight-activated tension control | Tilt resistance adjustable for users up to 150 kg through the under-seat mechanism | Caster brake behavior | Non-locking free-rolling twin-wheel casters for standard office floors |
| Seat orientation | Forward-curved waterfall front edge reduces pressure behind the knees | Gas lift stroke | 100 mm |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions | 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 private manager offices where the tall bentwood back supports 4 to 8 hour desk work | Boardroom or meeting room | Can be used behind conference tables where mobility and a refined wood-and-beige appearance are required |
| Private workstation | Appropriate for focused computer and desk tasks with 500 mm seat height and lumbar-contoured back | Consulting and advisory spaces | Fits professional meeting rooms needing a comfortable guest or consultant chair without bulky separate arms |
| Hotel business center | Suited to upscale business lounges requiring wood-accent seating and easy rolling relocation | Floor compatibility | Best used on hard flooring or low-pile carpet with 60 mm twin-wheel casters |
| Color coordination | Walnut shell and beige upholstery suit warm wood desks, neutral interiors, and bronze or chrome accents | User profile | Designed for adult office users up to 150 kg and standard desk heights of 720 to 760 mm |
| 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 × 720 × 1220 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 | 24 kg | |
|---|---|---|
| Recommended user weight capacity | 150 kg | |
| Static base load rating | 1136 kg | |
| Seat dynamic durability | 120000 cycles | |
| Backrest cyclic durability | 120000 cycles | |
| Caster rolling durability | 100000 cycles | |
| Foam density | 45 kg/m3 | |
| Foam rebound | 40% | |
| Upholstery abrasion resistance | 50000 Martindale cycles | |
| Seam pitch | 8 stitches per 100 mm |
Core acceptance fields · Panels / hardware / frame / upholstery
Data source: Subject to the factory material list and inspection report.
| Outer back and seat shell | Walnut-toned bent plywood, 12 mm nominal thickness, with continuous curved side wings | |
|---|---|---|
| Seat upholstery | Beige leather-look upholstery over 90 mm padded cushion | |
| Back upholstery | Beige upholstered two-zone cushion fitted within the bentwood shell | |
| Seat foam core | Molded polyurethane foam, 45 kg/m3 target density and 90 mm thickness | |
| Back foam core | Shaped polyurethane padding, 70 mm maximum thickness with lumbar contour | |
| Internal seat support | 15 mm plywood or steel-reinforced board under the cushion | |
| Five-star base | Polished die-cast aluminum or chrome-plated steel five-arm base, 700 mm diameter | |
| Gas lift | Black and polished steel class-4 gas lift with 50 mm outer tube | |
| Tilt mechanism | Black steel synchro-tilt plate mounted beneath the seat | |
| Casters | Five black nylon twin-wheel swivel casters with 60 mm wheels | |
| Edge and joining hardware | Concealed steel screws, mounting plates, and mechanism fasteners | |
| Surface finish | Smooth wood veneer or laminate finish with subtle sheen and matte beige upholstery |
Adjustment / rotation / tilt / mobility / storage features
Data source: Functional configuration; the supplier specification prevails.
| 360-degree swivel | Full 360-degree rotational swivel through the central gas-lift bearing | |
|---|---|---|
| Pneumatic height adjustment | 100 mm upward/downward seat-height travel controlled by a side lever | |
| Back tilt movement | 15-degree maximum rearward synchro tilt with seat and back coordination | |
| Tilt lock | One-position upright lock plus free-float mode operated by the visible lever set | |
| Mobility | Five twin-wheel casters provide omnidirectional movement on hard floors and low-pile carpet | |
| Integrated body support | Continuous bentwood side wings provide lateral support without separate protruding arms | |
| Two-zone back support | Separate upper-back and lower-back padded sections follow a 100-degree reclined back angle | |
| Weight-activated tension control | Tilt resistance adjustable for users up to 150 kg through the under-seat mechanism | |
| Caster brake behavior | Non-locking free-rolling twin-wheel casters for standard office floors | |
| Seat orientation | Forward-curved waterfall front edge reduces pressure behind the knees | |
| Gas lift stroke | 100 mm | |
| Recline Angle / Lock Reference | 125° with 3suggested lock positions |
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 private manager offices where the tall bentwood back supports 4 to 8 hour desk work | |
|---|---|---|
| Boardroom or meeting room | Can be used behind conference tables where mobility and a refined wood-and-beige appearance are required | |
| Private workstation | Appropriate for focused computer and desk tasks with 500 mm seat height and lumbar-contoured back | |
| Consulting and advisory spaces | Fits professional meeting rooms needing a comfortable guest or consultant chair without bulky separate arms | |
| Hotel business center | Suited to upscale business lounges requiring wood-accent seating and easy rolling relocation | |
| Floor compatibility | Best used on hard flooring or low-pile carpet with 60 mm twin-wheel casters | |
| Color coordination | Walnut shell and beige upholstery suit warm wood desks, neutral interiors, and bronze or chrome accents | |
| User profile | Designed for adult office users up to 150 kg and standard desk heights of 720 to 760 mm |
EU Market Access Requirements* EN Standards
US and Canada office-furniture standards
| North America procurement and testing reference | Recommended references: ANSI/BIFMA X5.1 |
|---|
Standards applicable to China-market projects
This product must meet the following technical requirements: 1. Technical standards and test reports must be supplied during tender or purchase confirmation; Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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