Name: High-back Ergonomic Mesh Office Chair with Adjustable Headrest and Armrests
Brand: YUXIANG
SKU: W066Y1

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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)	670 × 700 × 1205 mm
Seat width	505 mm
Seat depth	460 mm
Backrest height (above seat)	570 mm
Headrest width	315 mm
Backrest frame width	430 mm
Seat height adjustment range (floor to seat)	530 mm
Armrest height adjustment (above seat)	80 mm
Headrest vertical lift travel	60 mm
Five-star base radius (center to caster)	350 mm
Caster diameter	60 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.

Recommended static user load capacity	150 kg
Seat foam density	65 kg/m³
Seat foam rebound rate	40 %
Mesh upholstery abrasion resistance	30000 Martindale cycles
Five-star base static load rating	1360 kg
Caster rolling durability	120000 cycles
Recline mechanism cycle durability	120000 tilt cycles
Net weight (assembled)	22 kg
Gas lift class rating	Class 3
Warranty period	5 years

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 and headrest upholstery	Breathable woven polyester-nylon blend mesh
Seat cushion core	Molded high-resilience polyurethane foam
Seat support board	12 mm thick molded plywood
Back frame and armrest supports	Reinforced glass-fiber nylon polymer
Armrest contact pads	Soft polyurethane (PU) padded surface
Height adjustment gas lift	Chrome-plated precision steel tube
Five-star base	Nylon-reinforced polymer with polished finish
Casters	Dual-wheel hard/soft floor polyurethane casters
Tilt mechanism plate	3 mm thick stamped steel
Seam pitch for upholstery edges	8 mm
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.

Seat height adjustment	Pneumatic gas lift with 85 mm vertical travel
Headrest adjustment	60 mm vertical height adjustment with pivot angle tilt
Armrest adjustment	80 mm vertical height adjustment for arm support
Backrest recline function	Synchronous tilt with 120° maximum recline and lock
Lumbar support	Integrated contoured curved lumbar pad built into back mesh
Swivel function	360° full rotation around gas lift axis
Mobility function	Smooth rolling on dual-wheel casters for hard and carpeted floors
Waterfall seat edge design	Contoured front seat edge to reduce leg pressure
Recline tension adjustment	Rotary knob to adjust tilt resistance for user weight
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.

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 workspace	For full-time office staff needing 8+ hour ergonomic seating support
Open-plan workstation area	Rolling swivel design supports easy movement between adjacent work points
Home office study space	Adjustable height and support fits varied user heights for home use
Conference meeting room	Breathable mesh maintains comfort during long-duration meetings
IT and desk-based task work	Lumbar support and adjustable armrests reduce strain during computer work
Commercial co-working space	Durable commercial-grade construction supports high-frequency multi-user use
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	Applicable European standard for office chair dimensional safety requirements
EN 1335-2:2018	Applicable European standard for office chair strength, durability and safety
EN 1335-3:2009	Applicable European standard for office chair test methods

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable North American standard for office chair general performance testing

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applicable standard for office furniture desk/chair dimension measurement and tolerance
GB/T 10357.3-2013	Applicable test standard for chair strength and durability evaluation
GB 18584-2001	Applicable indoor furniture formaldehyde emission limit for interior components

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applicable standard for office furniture desk/chair dimension measurement and tolerance;
2. GB/T 10357.3-2013: Applicable test standard for chair strength and durability evaluation;
3. GB 18584-2001: Applicable indoor furniture formaldehyde emission limit for interior components;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The YUXIANG EMC-670ADJ Mesh Task Chair is a high-back ergonomic seating solution engineered to balance comfort, durability, and functional flexibility for daily use. Its streamlined profile features a 570 mm tall contoured backrest paired with a 315 mm wide adjustable headrest, supported by a polished nylon-reinforced polymer five-star base for a clean, professional aesthetic suited to modern work environments. All adjustment controls are positioned for intuitive access, with the contoured lumbar pad integrated directly into the back mesh to deliver consistent lower back support without protruding hardware that disrupts the chair’s sleek form. Built for long-term commercial and residential use, the chair’s backrest and headrest are upholstered in breathable woven polyester-nylon blend mesh, rated for 30000 Martindale abrasion cycles to resist wear from regular use. The seat cushion uses molded high-resilience polyurethane foam with a density of 65 kg/m³ and 40% rebound rate, mounted on a 12 mm thick molded plywood support board for stable weight distribution. Structural components include reinforced glass-fiber nylon polymer back frames and armrest supports, a chrome-plated precision steel tube gas lift, a 3 mm thick stamped steel tilt mechanism plate, and dual-wheel polyurethane casters designed to roll smoothly across both hard flooring and carpet. Key performance ratings include a 150 kg recommended static user load capacity, 1360 kg five-star base static load rating, 120000 cycles of caster rolling durability, and 120000 tilt cycles for the recline mechanism. Functional features are tailored to support varied working postures: pneumatic seat height adjustment delivers 85 mm of vertical travel to a maximum floor-to-seat height of 530 mm, the headrest offers 60 mm of height adjustment plus pivot tilt, and armrests adjust 80 mm vertically to match desk and user height. The synchronous tilt mechanism allows a 120° maximum recline with lock functionality, while 360° swivel and smooth-rolling casters enable easy repositioning. The chair suits private offices for full-time staff requiring 8+ hours of seating support, open-plan workstations for quick movement between adjacent work points, home offices for shared use across different household members, conference rooms for extended meeting comfort, desk-based IT and task work settings to reduce posture-related strain, and high-traffic co-working spaces where multi-user durability is critical. For procurement planning, each unit ships in 2 cartons with a total packaged gross weight of 23 kg, requires 40 minutes of assembly per set, and 135 sets fit a 20GP container at 85% space utilization, supporting efficient bulk ordering for commercial fit-outs.

High-back Ergonomic Mesh Office Chair with Adjustable Headrest and Armrests Specifications

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