Name: Ergonomic High-Back Mesh Office Chair with Adjustable Headrest and Lumbar Support
Brand: YUXIANG
SKU: 740UTE

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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)	650 × 680 × 1310 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 maximum user weight	150 kg
Net product weight	20 kg
Gas lift stroke	100 mm
Recommended daily usage duration	8 hours
Caster rolling durability	40000 cycles
Tilt mechanism static load rating	250 kg
Seat foam density	45 kg/m³
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 cycles

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 construction	Tensioned breathable polyester mesh over reinforced nylon frame
Seat cushion core	High-resilience polyurethane foam with fabric upholstery
Frame components (back, arm supports)	Glass-fiber reinforced nylon with matte light gray finish
Height adjustment gas lift	Class 3 carbon steel gas lift with black powder coating
Five-star base	Reinforced nylon structural core with painted light gray finish
Casters	60mm diameter polyurethane tread with black nylon housing
Armrest pads	Soft polyurethane padded top with hard nylon support arm
Tilt mechanism chassis	3mm thick cold-rolled steel with black anti-corrosion coating
Headrest cushion	Padded fabric-wrapped foam with adjustable nylon bracket
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Five-star Base Material Thickness	Metal base wall 3.5 mm; diameter 700 mm

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic adjustment via side lever, 85mm travel for desk height matching
Backrest tilt function	Synchronized tilt with 15° recline angle, lockable in upright position
Armrest adjustment	Vertical height adjustment over 80mm travel to match user elbow height
Headrest adjustment	25° angle pivot and 50mm height adjustment to support neck posture
Lumbar support	Contoured built-in lumbar zone aligned to lower back curve
360-degree swivel	Full rotation around gas lift axis for multi-directional workspace access
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.

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.

Corporate open-plan offices	Suitable for 8-hour daily desk work with ergonomic posture support
Home office workspaces	Compact footprint fits standard home desk setups for remote work
Executive private offices	Professional light gray and dark gray finish matches modern office decor
Co-working shared spaces	Durable construction and adjustable settings suit diverse user body types
Conference meeting rooms	Swivel and tilt function supports multi-directional discussion in meetings
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

Office furniture office chair safety requirement	EN 1335:2018
Office chair dimensional stability requirement	EN 1335:2020
Office furniture caster durability requirement	EN 12529:1998

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Office chair base load requirement	ANSI/BIFMA X5.1 Test 5

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety structural requirement	GB/T 3326
Office chair durability test requirement	GB/T 10357.3
Upholstered furniture formaldehyde limit	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety structural requirement: GB/T 3326;
2. Office chair durability test requirement: GB/T 10357.3;
3. Upholstered furniture formaldehyde limit: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The YUXIANG OE-HBM-680 Ergonomic High-Back Mesh Office Chair with Adjustable Headrest and Lumbar Support balances professional visual appeal and functional performance for modern work environments. Its streamlined silhouette features a matte light gray reinforced frame paired with dark tone mesh and fabric elements, creating a polished, understated look that aligns with contemporary office design schemes. The five-star wheeled base creates a stable, evenly weighted foundation, while open mesh back and contoured seating zones maintain a clean, uncluttered profile that avoids visual bulk in varying workspace layouts. Construction prioritizes long-term durability and breathable comfort. The backrest uses tensioned breathable polyester mesh stretched over a reinforced nylon frame, paired with a 70mm thick padded back section. The seat features a high-resilience polyurethane foam core with fabric upholstery, with a finished cushion thickness of 90mm and 45 kg/m³ foam density for consistent weight distribution. Frame components for the back and arm supports are made of glass-fiber reinforced nylon with a matte light gray finish, while the five-star base uses a reinforced nylon structural core with a matching painted light gray finish. Height adjustment relies on a Class 3 carbon steel gas lift with black powder coating, the tilt mechanism chassis is constructed from 3mm thick cold-rolled steel with black anti-corrosion coating, casters feature 60mm diameter polyurethane tread with black nylon housing, and armrest pads combine a soft polyurethane padded top with a hard nylon support arm. The headrest uses a fabric-wrapped foam cushion mounted on an adjustable nylon bracket. Functional features are tailored for extended daily use. Pneumatic seat height adjustment operated via a side lever delivers 85mm of travel to align with varying desk heights, while the synchronized backrest tilt offers a 15° recline angle that locks in the upright position. Armrests provide 80mm of vertical height adjustment to match user elbow height, and the headrest adjusts with a 25° angle pivot and 50mm height travel to support neutral neck posture. A contoured built-in 240mm high lumbar support zone aligns with the natural lower back curve, full 360-degree swivel enables multi-directional workspace access, and dual-wheel casters roll smoothly on hard floors and low-pile carpet. The chair supports a maximum user weight of 150 kg, with a 100mm gas lift stroke, 40000 cycle caster rolling durability, and 250 kg static load rating for the tilt mechanism, built to support 8 hours of daily use. The clear width between armrests measures 540mm, and overall dimensions are 650 x 680 x 1310 mm, with a net product weight of 20 kg. This model is well suited for a range of work settings. It provides appropriate ergonomic support for 8-hour daily desk work in corporate open-plan offices, fits compactly in standard home desk setups for remote work in home office workspaces, complements modern decor in executive private offices when paired with a 2.4 m executive desk, accommodates diverse user body types in co-working shared spaces, and supports multi-directional discussion in conference meeting rooms thanks to its swivel and tilt functionality.

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

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