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OC-MB-001

Code：285Y2HV1
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Mid-Back Mesh Office Task Chair with Padded Fabric Seat Key Specifications 2026-08-02 13:17

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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 dimensions (W x D x H)620 x 600 x 1010 mm
Seat width500 mm
Seat depth480 mm
Seat height adjustment range maximum540 mm
Backrest width480 mm
Backrest height520 mm
Armrest height from seat200 mm
Five-star base diameter600 mm
Caster 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
Net weight reference13 kg
Seat foam density45 kg/m³
Backrest mesh tensile strength200 N/cm
Caster rolling durability cycles100000 cycles
Gas lift static load rating150 kg
Five-star base static load rating1000 kg
Seam tensile strength120 N/50mm
Seat Foam Density / Rebound Reference45 kg/m³ / 65%
Back Foam Density Reference38 kg/m³
PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Backrest panelBreathable knitted mesh fabric with integrated lumbar support pad
Seat cushionMolded high-density polyurethane foam wrapped in woven fabric upholstery
Backrest frameReinforced plastic frame with blue edge trim
ArmrestsMatte white plastic arm pads mounted on silver metal supports
Gas lift cylinderChrome-plated steel pneumatic lifting cylinder
Five-star basePolished chrome-plated steel five-prong base with reinforced rib structure
CastersBlack nylon twin-wheel casters with chrome-plated mounting brackets
Seat base boardPlywood or composite load-bearing board under foam cushion
Tilt mechanismSteel plate tilt mechanism with tension adjustment
Base center hubBlack nylon plastic central hub connecting five-star base to gas lift, with tapered fitting for secure attachment
Seat Internal Support Board Thickness14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness14 mm bent plywood/composite reinforced frame
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Seat height adjustmentPneumatic height adjustment via right-side control lever, 100 mm total vertical stroke
Swivel function360-degree full rotation around central gas lift axis
Backrest tiltSynchronized seat-back tilt with adjustable tension, up to 15 degrees of recline angle
Fixed armrest supportFixed-position T-shaped armrests at 200 mm above seat level, providing forearm support during typing
Integrated lumbar supportContoured central lumbar pad built into mesh backrest, positioned at lower back height
Mobility on hard floorsFive twin-wheel nylon casters designed for smooth rolling on hard office floors
Breathable back ventilationOpen mesh backrest structure allows continuous air circulation to prevent heat buildup
Gas lift stroke100 mm
Hard floor mobilityFive twin-wheel nylon casters designed for low-resistance rolling on hard office floors (tile, wood, laminate), 50 mm wheel diameter for smooth movement over small gaps
Back ventilationOpen porous mesh backrest structure allows continuous air circulation across the entire back contact area, reducing heat and moisture buildup during long sitting sessions
Tilt tension adjustmentRotary tension knob under seat adjusts tilt resistance, accommodating user weights from 50 kg to 120 kg for personalized recline feel
Recline Angle / Lock Reference125° with 3 suggested lock positions
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Packing configuration1 chair per carton, flat packed in knock-down form
Carton dimensions650 x 580 x 320 mm
Gross weight per carton15 kg
Volume per carton0.121 CBM
Assembly time30 minutes
20ft container loading quantity260 units
Warranty period2 years
Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Open-plan office workstationsSuitable for 1600 mm wide standard office desks, supporting 8-hour daily office work
Staff workstations and call centersRecommended for high-occupancy commercial office spaces with daily multi-shift use
Meeting and conference roomsAppropriate for conference table seating with 740 mm standard table height
Home office and study roomsSuitable for home desks 760 mm high for remote work and study tasks
Computer workstations and IT desksIdeal for keyboard-intensive work with fixed forearm support from armrests
Temporary visitor seatingSuitable for reception areas and visitor zones adjacent to workstations, for short 1 to 2 hour sitting periods
Training rooms and co-working spacesRecommended for flexible multi-purpose training rooms with movable desks, supporting frequent rearrangement
Recommended Matching Desk Size2.4 m executive desk
STANDARD S1

EU EN Standards

European market access and chemical requirements

Office chair safety and strengthApplicable to EN 1335:2009 Office furniture - Office chairs - Part 1: Safety requirements
Office chair dimensions and ergonomicsApplicable to EN 1335:2009 Office furniture - Office chairs - Part 2: Dimensions - Determination of dimensions
Office chair strength and durability testingApplicable to EN 1335:2009 Office furniture - Office chairs - Part 3: Test methods for the determination of strength and durability
Office chair safety requirementsApplicable to EN 1335:2009 Office furniture - Office chairs - Part 1: Safety requirements
Office chair dimension determinationApplicable to EN 1335:2009 Office furniture - Office chairs - Part 2: Dimensions - Determination of dimensions
Office chair strength and durability test methodsApplicable to EN 1335:2009 Office furniture - Office chairs - Part 3: Test methods for the determination of strength and durability
STANDARD S2

North America ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general safety standardApplicable to ANSI/BIFMA X2017 General Purpose Office Chairs - Tests
Seat and backrest cyclic durabilityApplicable to ANSI/BIFMA X2017 Clause 8 and 9 cyclic load tests
General purpose office chair safety standardApplicable to ANSI/BIFMA X2017 General Purpose Office Chairs - Tests
Caster and base performanceApplicable to ANSI/BIFMA X2017 Clause 11 and 12 Base and caster tests
STANDARD S3

China GB Standards

Standards applicable to China-market projects

Seat surface strength and stabilityApplicable to GB/T 10357.3 Furniture mechanical performance test for chairs and stools
Backrest strength and durabilityApplicable to GB/T 10357.3 Clause 5 backrest load test
Chair seat strength and stabilityApplicable to GB/T 10357.3 Furniture - Mechanical and structural properties of tables, chairs and stools - Part 3: Chairs and stools
Standard Tender Description
This product must meet the following technical requirements:
1. Seat surface strength and stability: Applicable to GB/T 10357.3 Furniture mechanical performance test for chairs and stools;
2. Backrest strength and durability: Applicable to GB/T 10357.3 Clause 5 backrest load test;
3. Chair seat strength and stability: Applicable to GB/T 10357.3 Furniture - Mechanical and structural properties of tables, chairs and stools - Part 3: Chairs and stools;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
GENERATED EXPORTS

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Technical Report PDF

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PDF · OC-MB-001

Complete Parameter Workbook

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XLSX · OC-MB-001

International Listing Template

English title, specifications, materials, standards and purchasing fields.

XLSX · LISTING

Customs Declaration Data

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Product Overview & Construction Details

GUOYOU OC-MB-001 is a mid-back mesh office task chr with a padded fabric seat, designed to balance ergonomic support, breathable comfort, and functional mobility for varied seating scenarios. Its visual form features a streamlined silhouette with a breathable knitted mesh backrest framed by reinforced plastic with blue edge trim, pred with a fabric-upholstered seat, matte white plastic arm pads on silver metal supports, and a polished chrome-plated steel five-star base with black twin-wheel casters, creating a clean, modern look suitable for professional and personal workspaces. Constructed for durable dly use, the chr’s backrest combines open mesh fabric with an integrated contoured lumbar pad and a rigid supporting frame, while the seat uses molded high-density polyurethane foam wrapped in woven upholstery, with a load-bearing internal support board beneath the cushion. The pneumatic height adjustment relies on a chrome-plated steel gas lift cylinder, and the base incorporates a reinforced rib structure for structural stability, pred with a steel plate tilt mechanism under the seat. All load-bearing components are engineered to meet standard commercial seating strength requirements. Practical functions center on ergonomic adaptability and ease of use. Pneumatic seat height adjustment operates via a right-side control lever, accommodating standard desk heights. A synchronized seat-back tilt system with adjustable tension allows controlled recline, with an upright lock for focused work, while fixed T-shaped armrests provide consistent forearm support for typing tasks. The 360-degree swivel and smooth-rolling nylon casters enable easy movement across hard floor surfaces, and the open mesh backrest promotes continuous r circulation to reduce heat and moisture buildup during extended sitting. The integrated lumbar pad targets lower back support to minimize fatigue from prolonged seated work. This chr fits a wide range of commercial and residential spaces. It works well in open-plan office workstations, staff areas, and call centers, where its mid-back height fits under low desk partitions without obstructing sightlines and its breathable design supports long dly use. It is also appropriate for conference and meeting rooms, where full swivel supports easy interaction during group discussions, and for trning rooms and co-working spaces, where its lightweight design allows convenient repositioning. For residential use, it suits home offices and study rooms with standard desk heights, as its compact base fits well in smaller floor plans. It also serves as functional temporary seating in reception and visitor zones. For procurement planning, the chr ships flat packed in knock-down form for efficient storage and transport, with a 2-year warranty covering structural components. Procurement teams should note that caster type can be customized for carpeted floor use if required, and should confirm exact material specifications and load ratings directly with the supplier for mission-critical or heavy-use commercial deployments.

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