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OC-MB-001

Code:QAX74XV1
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Mid-Back Mesh Office Task Chair with Fabric Seat Key Specifications 2026-08-02 12:31

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OC-MB-001

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PRODUCT MODULE 01 / 06

Physical Dimensions

Automatic mm / inch conversion · Core engineering specifications

Overall dimensions620 x 600 x 1010 mm
Seat width500 mm
Seat depth480 mm
Seat height range (floor to top of seat)540 mm
Backrest height520 mm
Backrest width460 mm
Armrest height (top of arm to seat)210 mm
5-star base diameter600 mm
Caster wheel diameter50 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 reference14 kg
Seat foam density reference45 kg/m³
Caster rolling durability reference100000 cycles
Swivel rotation360 degrees
Tilt lock angle reference12 degrees
Seat foam density45 kg/m³
Swivel rotation range360 degrees
Maximum tilt recline angle12 degrees
Backrest mesh tensile strength reference200 N/cm
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Backrest support frameInjection-molded nylon plastic frame with contoured shape
Backrest suspensionElastic polyester mesh fabric with horizontal striped weave
Seat cushion upholsteryWoven polyester fabric in light olive beige finish
Seat cushion coreMolded polyurethane foam padding
ArmrestsOne-piece nylon plastic fixed armrests with curved support brackets
Height adjustment mechanismBlack painted steel tilt mechanism plate + chrome plated steel gas lift cylinder
5-star baseNylon plastic five-point base with ribbed reinforcement
CastersDual-wheel nylon casters with silver decorative trim ring
Backrest suspension surfaceElastic polyester mesh fabric with horizontal striped weave
Armrest assemblyOne-piece nylon plastic fixed armrests with integrated curved support brackets, mounted directly to seat pan frame
Height adjustment gas liftChrome-plated steel pneumatic gas lift cylinder with sealed nitrogen charge
Tilt mechanism plateBlack painted steel tilt mechanism plate with integrated pivot and control lever mount
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Pneumatic seat height adjustmentOperated via right-side lever, adjusts seat height over 100mm total stroke
360-degree swivelFull continuous rotation around central gas lift axis
Center-tilt rocking functionBackrest and seat tilt together around central pivot, with single-position lock
Fixed armrest supportNon-adjustable curved armrests at fixed height and width
Mobile rolling baseFive dual-wheel casters for smooth movement on hard floor surfaces
Breathable mesh back supportElastic mesh conforms to back shape with continuous air circulation
Weight-activated tilt tensionAdjusts rocking resistance automatically based on user weight
360-degree full swivelContinuous unrestricted rotation around the central gas lift axis, enabled by the five-point base and central bearing
Fixed height armrest supportNon-adjustable curved armrests at fixed 210mm height above seat surface and fixed 620mm overall outer width
Hard-floor mobile rolling baseFive dual-wheel 50mm nylon casters mounted to each base leg end, enable smooth rolling on hard flat floor surfaces
Breathable mesh back ventilationElastic open-weave mesh conforms to user back shape and allows continuous air circulation through the backrest
Weight-responsive tilt tensionRocking 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

Packaging configuration1 unit per flat pack carton
Carton dimensions650 x 600 x 300 mm
Gross weight per carton16 kg
Volume per carton (CBM)0.117 CBM
Assembly time per unit20 minutes
20ft container loading quantity280 units
Included assembly accessoriesHex key, screws, washers, installation manual
Volume per carton0.117 CBM
Single unit assembly time20 minutes
Reference Package Count1 set / 2 cartons
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Open plan office workstationsSuitable for standard 1600 mm desk configurations in multi-person office areas
Home office and remote work setupsIdeal for home desks 760 mm high for daily work and study
Meeting and conference roomsAppropriate for conference table seating for meetings up to 4 hours duration
Staff training rooms and education spacesSuitable for training center and classroom computer stations
Small business and startup workspacesCost-effective seating option for growing teams on budget
Temporary co-working and hot-desk areasSuitable for shared hot-desk zones with high daily user turnover
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

Office chair safety and stabilityEN 1335:2020
Office chair testing methodsEN 1335:2019
Office chair safety, dimensions and stabilityEN 1335:2020
Office chair durability test methodsEN 1335:2019
Office chair safety evaluation criteriaEN 1335:2009
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

General office chair standardANSI/BIFMA X2021
Seat cyclic fatigue testANSI/BIFMA X2021
Backrest cyclic fatigue testANSI/BIFMA X2021
Caster and base static loadANSI/BIFMA X2021
General office chair performance standardANSI/BIFMA X2021
Seat cyclic fatigue test requirementANSI/BIFMA X2021
STANDARD S3

China GB Standards

Standards applicable to China-market projects

Seat surface stability and strengthGB/T 10357.3
Backrest strength and durabilityGB/T 10357.3
Caster wear and rolling performanceGB/T 10357.3
Formaldehyde emission for upholstered componentsGB 18584
Flame retardant performance of fabricGB 20286
Backrest strength and cyclic durabilityGB/T 10357.3
Standard Tender Description
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 Overview & Construction Details

The GUOYOU OC-MB-001 Mid-Back Mesh Office Task Chr with Fabric Seat presents a streamlined, functional silhouette tlored for everyday work use. Its visual form balances structured support with subtle, versatile styling: the dark grey horizontally striped mesh backrest prs with a light olive beige woven fabric seat, anchored by a black nylon five-point base and fixed black armrests. The mid-back design mntns a compact profile, with a total height that fits neatly under standard desk surfaces while delivering targeted upper lumbar support. The chr’s layout features symmetrically positioned curved armrests and a centered swivel base, creating a balanced, unobtrusive look that adapts to varied interior palettes. Constructed for consistent dly use, the chr prs a breathable elastic polyester mesh backrest stretched over an injection-molded nylon plastic frame with a molded polyurethane foam seat core wrapped in woven polyester upholstery. One-piece nylon plastic fixed armrests attach directly to the seat pan frame via curved support brackets, while the height adjustment system combines a black pnted steel tilt mechanism plate and a chrome-plated steel pneumatic gas lift cylinder. The ribbed-reinforced nylon five-star base supports five dual-wheel nylon casters with silver decorative trim rings, delivering stable mobility across hard flat floor surfaces. Functionally, the chr supports extended sitting sessions through a suite of core ergonomic features. Pneumatic seat height adjustment, operated by a right-side lever, accommodates standard desk heights, while 360-degree full swivel allows effortless repositioning without shifting the chr base. A center-tilt rocking function moves the backrest and seat in tandem around a central pivot, with weight-responsive tilt tension that adjusts rocking resistance automatically based on user weight, plus a single-position tilt lock for fixed recline. The open-weave mesh back promotes continuous r circulation to reduce heat and moisture buildup during long work periods, while fixed armrests offer stable forearm support for typing tasks. The rolling base enables smooth movement across hard floors, with compatibility for low-pile carpet when using optional soft-wheel replacements. This task chr fits a wide range of commercial and residential spaces. It works well in open plan office workstations with standard desk configurations, as its mid-back profile preserves clear sightlines across work areas. It serves as practical seating for meeting and conference rooms, trning centers, education spaces, and small business or startup workspaces, where its durable build supports frequent multi-user turnover. For residential settings, it is ideal for home office and remote work setups, with a compact footprint and neutral colorway that complements diverse home interior styles. It also suits temporary co-working and hot-desk areas, as its easy-to-clean mesh and wear-resistant fabric seat hold up to high dly user volume. For procurement planning, the chr ships as a single unit per flat pack carton, with assembly accessories including a hex key, screws, washers, and an installation manual included. Assembly requires basic tools and can be completed by one person. For bulk orders, the maximum indicative loading count for a 20ft contner supports efficient freight planning. The recommended maximum user weight of 120 kg aligns with general office use requirements, making this model a cost-effective, reliable seating solution for teams scaling their workspace inventory.

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