Name: Mid-Back Mesh Office Task Chair with Fabric Seat
Brand: GUOYOU
SKU: QAX74X

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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)	620 × 600 × 1010 mm
Seat width	500 mm
Seat depth	480 mm
Seat height range (floor to top of seat)	540 mm
Backrest height	520 mm
Backrest width	460 mm
Armrest height (top of arm to seat)	210 mm
5-star base diameter	600 mm
Caster wheel diameter	50 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	120 kg
Chair net weight reference	14 kg
Seat foam density reference	45 kg/m³
Caster rolling durability reference	100000 cycles
Swivel rotation	360 degrees
Tilt lock angle reference	12 degrees
Seat foam density	45 kg/m³
Swivel rotation range	360 degrees
Maximum tilt recline angle	12 degrees
Backrest mesh tensile strength reference	200 N/cm

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 support frame	Injection-molded nylon plastic frame with contoured shape
Backrest suspension	Elastic polyester mesh fabric with horizontal striped weave
Seat cushion upholstery	Woven polyester fabric in light olive beige finish
Seat cushion core	Molded polyurethane foam padding
Armrests	One-piece nylon plastic fixed armrests with curved support brackets
Height adjustment mechanism	Black painted steel tilt mechanism plate + chrome plated steel gas lift cylinder
5-star base	Nylon plastic five-point base with ribbed reinforcement
Casters	Dual-wheel nylon casters with silver decorative trim ring
Backrest suspension surface	Elastic polyester mesh fabric with horizontal striped weave
Armrest assembly	One-piece nylon plastic fixed armrests with integrated curved support brackets, mounted directly to seat pan frame
Height adjustment gas lift	Chrome-plated steel pneumatic gas lift cylinder with sealed nitrogen charge
Tilt mechanism plate	Black painted steel tilt mechanism plate with integrated pivot and control lever mount

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Pneumatic seat height adjustment	Operated via right-side lever, adjusts seat height over 100mm total stroke
360-degree swivel	Full continuous rotation around central gas lift axis
Center-tilt rocking function	Backrest and seat tilt together around central pivot, with single-position lock
Fixed armrest support	Non-adjustable curved armrests at fixed height and width
Mobile rolling base	Five dual-wheel casters for smooth movement on hard floor surfaces
Breathable mesh back support	Elastic mesh conforms to back shape with continuous air circulation
Weight-activated tilt tension	Adjusts rocking resistance automatically based on user weight
360-degree full swivel	Continuous unrestricted rotation around the central gas lift axis, enabled by the five-point base and central bearing
Fixed height armrest support	Non-adjustable curved armrests at fixed 210mm height above seat surface and fixed 620mm overall outer width
Hard-floor mobile rolling base	Five dual-wheel 50mm nylon casters mounted to each base leg end, enable smooth rolling on hard flat floor surfaces
Breathable mesh back ventilation	Elastic open-weave mesh conforms to user back shape and allows continuous air circulation through the backrest
Weight-responsive tilt tension	Rocking resistance adjusts proportionally to user body weight via internal mechanism spring, no manual tension adjustment knob

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Packaging configuration	1 unit per flat pack carton
Carton dimensions	650 x 600 x 300 mm
Gross weight per carton	16 kg
Volume per carton (CBM)	0.117 CBM
Assembly time per unit	20 minutes
20ft container loading quantity	280 units
Included assembly accessories	Hex key, screws, washers, installation manual
Volume per carton	0.117 CBM
Single unit assembly time	20 minutes
Reference Package Count	1 set / 2 cartons

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Open plan office workstations	Suitable for standard 1600 mm desk configurations in multi-person office areas
Home office and remote work setups	Ideal for home desks 760 mm high for daily work and study
Meeting and conference rooms	Appropriate for conference table seating for meetings up to 4 hours duration
Staff training rooms and education spaces	Suitable for training center and classroom computer stations
Small business and startup workspaces	Cost-effective seating option for growing teams on budget
Temporary co-working and hot-desk areas	Suitable for shared hot-desk zones with high daily user turnover
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 chair safety and stability	EN 1335:2020
Office chair testing methods	EN 1335:2019
Office chair safety, dimensions and stability	EN 1335:2020
Office chair durability test methods	EN 1335:2019
Office chair safety evaluation criteria	EN 1335:2009

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

General office chair standard	ANSI/BIFMA X2021
Seat cyclic fatigue test	ANSI/BIFMA X2021
Backrest cyclic fatigue test	ANSI/BIFMA X2021
Caster and base static load	ANSI/BIFMA X2021
General office chair performance standard	ANSI/BIFMA X2021
Seat cyclic fatigue test requirement	ANSI/BIFMA X2021

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Seat surface stability and strength	GB/T 10357.3
Backrest strength and durability	GB/T 10357.3
Caster wear and rolling performance	GB/T 10357.3
Formaldehyde emission for upholstered components	GB 18584
Flame retardant performance of fabric	GB 20286
Backrest strength and cyclic durability	GB/T 10357.3

Standardized tender description text

This product must meet the following technical requirements:
1. Seat surface stability and strength: GB/T 10357.3;
2. Backrest strength and durability: GB/T 10357.3;
3. Caster wear and rolling performance: GB/T 10357.3;
4. Formaldehyde emission for upholstered components: GB 18584;
5. Flame retardant performance of fabric: GB 20286;
6. Backrest strength and cyclic durability: GB/T 10357.3;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The GUOYOU OC-MB-001 Mid-Back Mesh Office Task Chair with Fabric Seat presents a streamlined, professional silhouette tailored for flexible work environments, featuring a dark grey horizontally striped elastic mesh backrest paired with a light olive beige woven fabric seat, finished with black nylon structural components and silver caster trim for a cohesive, understated aesthetic. Its compact form occupies a maximum footprint aligned with standard mid-back task chair proportions, with a 520mm tall mid-back frame sized to deliver lumbar support for users up to 175cm in height, and fixed curved armrests positioned to support neutral forearm positioning during typing tasks. The chair balances durable, purpose-built construction with daily-use comfort: the contoured injection-molded nylon back frame supports taut, breathable mesh rated for 200 N/cm tensile strength, while the 90mm thick seat cushion uses 45 kg/m³ high-density molded polyurethane foam for consistent support. Fixed one-piece nylon armrests mount directly to the seat frame, connected to a ribbed reinforced nylon five-star base fitted with 50mm dual-wheel hard-floor casters, and a chrome-plated steel gas lift paired with a black painted steel tilt mechanism enables core adjustability. Functional features include 360-degree continuous swivel, pneumatic seat height adjustment adjustable to a 540mm maximum seat height to align with standard 760 mm desk heights, a center-tilt rocking function with 12-degree maximum recline and single-position lock, and weight-responsive tilt tension that automatically adjusts rocking resistance to user weight. The open mesh backrest enables continuous air circulation to reduce heat buildup during extended sitting, and casters may be swapped for soft-wheel alternatives for low-pile carpet use. This chair is suited for open-plan office workstations supporting 8 hours of daily use, home office setups, meeting and conference rooms for sessions up to 4 hours, staff training spaces, startup workspaces, and high-turnover co-working hot-desk zones, with a neutral finish that coordinates with varied interior design schemes. For procurement, note the chair ships in knock-down flat-pack packaging, with a maximum 20-minute single-person assembly time using the included hex key, screws, washers, and installation manual. Each unit packs to a maximum 0.117 CBM carton volume with 16kg gross weight, allowing 280 units per 20ft non-palletized container for bulk planning. The chair supports a maximum 120kg static user weight, with caster durability referenced at 100000 rolling cycles for hard surfaces; confirm material performance ratings, gas lift safety certifications, and exact component specifications with suppliers prior to final order placement to align with project requirements.

Mid-Back Mesh Office Task Chair with Fabric Seat Specifications

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