Name: High-Back Ergonomic Mesh Office Chair with Adjustable Headrest and Lumbar Support
Brand: YUXIANG
SKU: FJ8WU3

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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)	645 × 700 × 1250 mm
seat width	515 mm
seat depth	505 mm
seat height range	555 mm
backrest height	580 mm
armrest height above seat	250 mm
headrest projection from back	95 mm
five-star base diameter	700 mm
seat to top of headrest total height	730 mm
armrest pad length	420 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 mm
Clear Width Between Armrests	540 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 weight	18 kg
recommended user weight capacity	136 kg
seat cushion foam density	45 kg/m³
seat foam rebound rate	45%
mesh abrasion resistance	50000 cycles
static load rating for five-star base	1130 kg
caster rolling durability	100000 cycles
recommended daily use duration	8 hours
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

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

backrest upholstery	Breathable grey woven polyester mesh
seat cushion padding	70 mm thick high-density molded foam
backrest frame	Glass-fiber reinforced PA plastic
central gas lift	Chrome-plated steel Class 4 pneumatic cylinder
five-star base	Polished die-cast aluminium alloy
armrest pads	Soft PU surface over rigid PP support
casters	60 mm dual-wheel PU casters
headrest padding	Breathable mesh over curved frame
internal seat frame	3 mm thick stamped steel plate
seam stitch pitch	8 stitches per inch
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel rotation	Full rotation enabled by central swivel mechanism
pneumatic seat height adjustment	85 mm stroke controlled by under-seat lever
backrest recline function	Up to 125 degree recline with multi-position lock
height-adjustable armrests	75 mm vertical adjustment range for arm pad height
articulating headrest adjustment	Height and angle adjustment for neck support
adaptive lumbar support	Contoured segmented mesh zones for lower back support
synchro-tilt mechanism	Synchronized seat and back tilt with tension adjustment
smooth rolling mobility	Dual-wheel casters suitable for hard floors and low-pile carpet
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

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

export carton dimensions	920 x 450 x 680 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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

private office workstation	Suitable for executive and staff desks requiring 8-hour daily seating
home office setup	Fits standard desk heights for remote work and long computer sessions
open-plan office areas	Neutral grey finish matches modern office interior design schemes
co-working spaces	Adjustable features accommodate users of varying heights and seating preferences
meeting and conference rooms	Professional appearance and swivel function suit collaborative meeting environments
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Office work chairs - safety requirements, applicable to structural and stability verification
EN 1335-2:2018	Office work chairs - test methods, applicable to functional durability validation
EN 1022:2018	Furniture - seating - determination of stability, applicable to overturn risk testing

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Office chairs standard, applicable to static, dynamic and durability performance testing

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3325-2017	General technical requirements for metal furniture, applicable to structural strength testing
GB 28007-2011	Safety requirements for office chairs, applicable to stability and edge safety checks

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3325-2017: General technical requirements for metal furniture, applicable to structural strength testing;
2. GB 28007-2011: Safety requirements for office chairs, applicable to stability and edge safety checks;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The YUXIANG ERG-MESH-HB-001 is a high-back ergonomic mesh office chair built for extended daily seating, with a streamlined professional form defined by its neutral grey finish and structured, support-focused layout. Its five-star polished base anchors a central chrome-plated steel lift, supporting a contoured seat, tall mesh backrest, and curved adjustable headrest that projects from the upper back to cradle the neck. Soft PU armrests sit at either side of the seat, positioned to align with standard desk heights for relaxed upper body positioning. Durable, high-performance materials form the chair’s robust construction. The backrest uses breathable grey woven polyester mesh stretched over a glass-fiber reinforced PA plastic frame, with contoured segmented mesh zones to deliver adaptive lower back support. The seat cushion rests on a 3mm thick stamped steel internal frame, padded with thick high-density molded foam that balances softness and consistent support. The five-star base is crafted from polished die-cast aluminium alloy, fitted with 60mm dual-wheel PU casters, while armrest pads pair a soft PU contact surface with rigid PP structural support. The central height adjustment uses a Class 4 pneumatic cylinder for reliable, smooth operation. The chair supports personalized comfort through a full suite of adjustable functions. It enables 360-degree swivel rotation, paired with pneumatic seat height adjustment controlled via an under-seat lever. The backrest reclines to 125 degrees with multi-position lock, operated via a synchro-tilt mechanism that coordinates seat and back movement with customizable tension control. Armrests offer vertical height adjustment, and the articulating headrest adjusts for both height and angle to deliver tailored neck support, while the adaptive lumbar mesh contours to the natural curve of the lower spine. This model suits a wide range of commercial and residential spaces. It works well for private office workstations, pairing seamlessly with a 2.4m executive desk for both executive and staff use over 8-hour daily work sessions. It is equally suited to home office setups, fitting standard desk heights for remote work and long computer sessions. Its neutral grey finish complements modern interior palettes for open-plan office areas, while its broad adjustability accommodates diverse user needs in co-working spaces. Its polished, professional appearance and smooth swivel function also make it a strong fit for meeting and conference rooms supporting collaborative work. For procurement planning, note each unit ships across two cartons, with a packaged gross weight of 23kg per set and an assembly time of 40 minutes per unit. The chair supports a recommended user weight of 136kg, with durable component testing validating long-term use in high-traffic shared environments.

High-Back Ergonomic Mesh Office Chair with Adjustable Headrest and Lumbar Support Specifications

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