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OC-HB-BK-001

Code：M19JJXV1
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Black High-Back Executive Office Chair with Headrest Key Specifications 2026-08-02 09:26

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OC-HB-BK-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions680 x 650 x 1280 mm
Seat width520 mm
Seat depth480 mm
Seat height range maximum540 mm
Backrest height720 mm
Backrest width500 mm
Headrest width280 mm
Headrest height adjustment maximum120 mm
Armrest height from seat maximum230 mm
5-star base diameter680 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

Recommended maximum user weight120 kg
Chair net weight reference18 kg
Gas lift static load rating150 kg
Caster rolling durability cycles100000 cycles
Backrest tilt lock recline maximum angle12 degrees
Foam indentation load deflection45 kg
Backrest tilt maximum angle12 degrees
Seam pitch5 mm
Upholstery abrasion resistance rating20000 cycles
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Seat and backrest upholsteryBlack PVC faux leather with smooth finish
Seat cushion core foamHigh-density polyurethane foam, 60 mm thick
Backrest internal support framePlywood or plastic composite panel with foam overlay
HeadrestPVC faux-leather wrapped foam pad on black plastic mounting post
ArmrestsBlack hard plastic T-shaped top pad with plastic support bracket
5-star baseMatte black painted steel radial base
Gas lift cylinderBlack coated steel pneumatic cylinder
CastersBlack 60 mm dual-wheel hard-floor casters with plastic housing
Control mechanism housingBlack steel chassis plate under seat
Backrest foam paddingHigh-density polyurethane foam, 40 mm thick, 35 kg/m³ density
Headrest assemblyPVC faux-leather wrapped 30 mm thick foam pad on black plastic mounting post
Control mechanism chassis3.0 mm thick black steel plate under seat
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic gas lift operated by right-side lever, providing vertical adjustment up to 100 mm
Swivel function360-degree continuous rotation around central gas lift axis
Backrest tilt with lockSynchronous tilt mechanism locking in up to 3 positions within 12-degree recline range
Fixed armrest supportStationary T-pad armrests providing forearm support at fixed height relative to seat
MobilityFive dual-wheel casters enabling smooth rolling on hard office floors and low-pile carpet
Weight distributionFive-point base geometry provides stable support and resists tipping during normal seated movement
360-degree swivelContinuous full rotation around central gas lift axis without travel limitation
Backrest synchronous tilt with lockSynchronous tilt mechanism locking in 3 positions within 12-degree recline range, with spring tension adjustment
Fixed height armrest supportStationary T-pad armrests providing forearm support at 230 mm height relative to seat surface
Multi-surface mobilityFive dual-wheel 60 mm casters enabling smooth rolling on hard office floors and low-pile carpet up to 6 mm pile height
Height-adjustable headrestHeadrest with 120 mm vertical travel via sliding post, providing neck support for varying user heights
Anti-tip stabilityFive-point 680 mm diameter base geometry provides stable support and resists tipping during normal seated movement up to 120 kg user weight
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Packaging carton count1 unit per carton
Carton dimensions780 x 320 x 680 mm
Gross weight per carton21 kg
Volume per carton0.17 CBM
Assembly time30 minutes
20ft container loading quantity180 units
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Executive office suitesSuitable for private executive offices and management workstations, providing formal appearance and ergonomic support for long working hours
Conference roomsAppropriate for head-of-table and leadership seating in boardrooms and premium meeting spaces
Home office workspacesSuitable for dedicated home office setups requiring supportive seating for remote work and video conferencing
Reception and visitor areasCan be used as premium seating for visitor areas outside executive offices to maintain consistent brand aesthetic
Ergonomic use caseSupports users up to 120 kg during daily 8-hour seated work, with adjustable height and headrest for basic posture customization
Daily office task useSupports users up to 120 kg during routine office work, with adjustable height and headrest for basic posture customization
Recommended Matching Desk Size2.4 m executive desk
Reference Daily Use Duration8 hours/day; confirm by ergonomic testing
STANDARD S1

EU EN Standards

European market access and chemical requirements

EN 1335-1:2020 Office furniture - Office chair - Part 1: Dimensions - Determination of stabilityApplicable for office chair dimensional stability requirements
EN 1335-2:2019 Office furniture - Office chair - Part 2: Mechanical safety requirementsApplicable for structural safety and strength requirements of office chairs
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017 General Purpose Office Chairs - TestsApplicable for durability, stability and structural performance testing of executive office chairs
STANDARD S3

China GB Standards

Standards applicable to China-market projects

GB/T 3326-2016 Furniture - Chairs and stools - Determination of stabilityApplicable for static stability testing of office seating
GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture components - Part 3: Determination of strength and durability of seats and backs of chairsApplicable for seat and back strength and durability testing
Standard Tender Description
This product must meet the following technical requirements:
1. GB/T 3326-2016 Furniture - Chairs and stools - Determination of stability: Applicable for static stability testing of office seating;
2. GB/T 10357.3-2013 Furniture - Mechanical and chemical properties of furniture components - Part 3: Determination of strength and durability of seats and backs of chairs: Applicable for seat and back strength and durability testing;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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PDF · OC-HB-BK-001

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Product Overview & Construction Details

The GUOYOU Black High-Back Executive Office Chr with Headrest (model OC-HB-BK-001) presents a sleek, professional silhouette tlored for formal and functional seating environments. Its high-back structure is pred with a height-adjustable headrest, fixed T-shaped armrests, and a stable five-star base, all finished in a uniform black palette that lends a polished, cohesive look. The chr’s layout positions supportive padding across the seat, backrest, and headrest, with control levers placed within easy reach for intuitive operation. Constructed with black PVC faux leather upholstery featuring a smooth finish, the chr prs durable outer material with high-density polyurethane foam cores in the seat and backrest for cushioning. The backrest is supported by an internal frame with a foam overlay, while the headrest consists of a faux-leather wrapped foam pad mounted on a black plastic post. Fixed armrests use black hard plastic T-shaped top pads supported by plastic brackets, and the base is a matte black pnted steel radial structure fitted with black 60 mm dual-wheel hard-floor casters. A black coated steel pneumatic gas lift connects the seat to the base, with a black steel chassis plate housing the control mechanism beneath the seat. Functionally, the chr offers pneumatic seat height adjustment operated via a right-side lever, 360-degree continuous swivel, and a synchronous backrest tilt mechanism that locks in multiple positions within a 12-degree recline range, with spring tension adjustment avlable. The height-adjustable headrest provides vertical travel to accommodate different user heights and support the neck, while fixed armrests deliver steady forearm support. Five dual-wheel casters enable smooth mobility across hard office floors and low-pile carpet, and the five-point base geometry ensures stable weight distribution and resistance to tipping during normal seated movement. The chr supports users up to 120 kg, making it suitable for regular dly use. This executive chr fits seamlessly into a range of commercial and residential spaces. In commercial settings, it works well in private executive offices, management workstations, boardrooms, and premium conference rooms, where its formal black finish aligns with professional design schemes. It also serves as premium seating in reception and visitor areas outside executive offices, mntning a consistent brand aesthetic. For residential use, it is ideal for dedicated home office setups, providing supportive seating for remote work and video conferencing while fitting within standard home desk configurations. For procurement planning, the chr is packaged as a knock-down unit, with assembly possible for a single person using included hardware. It is compatible with standard executive desk sizes, and its 120 kg user weight capacity supports most routine office and home office use cases. Its uniform black design and faux leather upholstery make it easy to coordinate with existing office furniture collections, and its stable base and adjustable features balance comfort with professional styling for long-term use.

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