Name: Mid-Back Mesh Office Task Chair with White Armrests and Chrome Base
Brand: GUOYOU
SKU: JV1K4P

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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 × 1050 mm
Seat width	500 mm
Seat depth	480 mm
Seat height range (floor to seat top)	500 mm
Backrest width	480 mm
Backrest height	520 mm
Armrest height (seat top to arm pad top)	220 mm
Chrome 5-star base diameter	680 mm
Caster diameter	50 mm
Armrest pad length	260 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
Net weight	14 kg
Seat foam density	45 kg/m³
Backrest tilt lock angle range	12°
Gas lift stroke length	100 mm
Caster rolling durability	100000 cycles
Backrest maximum tilt angle	12°
Seam pitch	6 mm
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

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 surface	Blue woven mesh fabric stretched over rigid plastic inner frame
Seat cushion upholstery	Blue woven fabric over molded high-resilience polyurethane foam
Armrest structure	White reinforced PP plastic frame with integrated flat arm pad surface
Height adjustment mechanism	Black powder-coated steel chassis with Class 3 gas lift cylinder
Support base	Chrome-plated steel 5-star leg structure with polished finish
Casters	Black twin-wheel casters with nylon wheel bodies and steel axle pins
Backrest frame border	Dark blue hard plastic trim holding mesh under tension
Gas lift cylinder	Chrome-plated steel outer tube with nitrogen-filled internal piston
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Tilt Mechanism Plate Thickness	2.5 mm cold-rolled steel
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 gas lift operated by left-side lever, providing vertical height change for different desk heights and user statures
360-degree swivel rotation	Full continuous rotation around central gas lift axis for multi-directional desk access without repositioning the base
Backrest tilt with lock	Synchro-style tilt mechanism allowing backrest recline, lockable in upright position for focused work
Fixed height armrests	Stationary T-shaped arm supports at fixed vertical position for forearm resting during typing
Mobile rolling base	Five twin-wheel casters enable smooth movement across hard floors and low-pile office carpets
Breathable back support	Tensioned mesh back provides passive lumbar and torso support with continuous air circulation to reduce heat buildup during long sitting sessions
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.

Packaging unit count	1 carton per chair
Carton dimensions	650 x 520 x 320 mm
Gross weight per carton	16 kg
Volume per carton	0.108 CBM
Assembly time per unit	30 minutes
20ft container load quantity	280 units
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

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	Suited for daily 8-hour desk work in shared office environments, with breathable mesh back for all-day comfort and compact footprint for dense workstation layouts
Home office and remote work setups	Appropriate for residential home offices paired with standard 750 mm height desks, providing adjustable height and swivel mobility for flexible work routines
Meeting room and conference seating	Suitable for conference room and huddle room seating around meeting tables, with 360-degree swivel for easy orientation toward presenters and collaborative discussions
Staff training and seminar rooms	Ideal for training facilities and seminar spaces requiring movable, stack-compatible seating with durable construction for high-frequency shared use
Small business and startup workspaces	Cost-effective seating solution for growing companies furnishing multiple workstations with consistent, ergonomically suitable seating at accessible price point
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 chairs - Requirements for safety, strength and durability	EN 1335:2018
Ergonomics - Office work chair	EN 1728:2013

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chairs - Tests for stability, strength and durability	ANSI/BIFMA X2017
Sustainability standard for seating furniture	ANSI/BIFMA e2020

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

General technical requirements for office furniture	GB/T 3326
Limits of harmful substances for wood-based furniture	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. General technical requirements for office furniture: GB/T 3326;
2. Limits of harmful substances for wood-based furniture: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

GUOYOU OC-MB-BL-012 is a mid-back mesh office task chair featuring a clean, functional visual profile with blue woven mesh backrest, matching blue fabric seat cushion, fixed white armrests, and a polished chrome 5-star base. Its compact footprint fits neatly into dense workstation layouts while mntning a professional, neutral aesthetic that blends with varied interior schemes. In construction, the backrest uses tensioned blue woven mesh stretched over a rigid plastic inner frame framed by dark blue hard plastic trim, paired with a molded high-resilience polyurethane foam seat cushion upholstered in coordinated blue woven fabric. The armrests are crafted from white reinforced PP plastic with integrated flat pad surfaces. Under-seat structure includes a black powder-coated steel chassis with Class 3 gas lift cylinder, a chrome-plated steel 5-star support base, and black twin-wheel nylon casters with steel axle pins. Seat internal support uses bent plywood, and the tilt mechanism plate is made of cold-rolled steel. For practical function, the chair offers pneumatic seat height adjustment via a left-side lever to accommodate different desk heights and user statures, full 360-degree swivel for multi-directional access, and synchro-style backrest tilt with lockable upright position for focused work. Fixed T-shaped armrests provide stable forearm support during typing, while the five twin-wheel casters enable smooth mobility across hard floors and low-pile carpets. The tensioned mesh back delivers passive lumbar and torso support with continuous r circulation to reduce heat buildup during extended sitting. This model fits a wide range of spaces including open-plan office workstations for dly 8-hour use, home office setups paired with standard height desks, meeting and conference rooms for collaborative sessions, staff training and seminar rooms requiring flexible reconfiguration, and small business or startup workspaces seeking cost-effective consistent seating. For procurement planning, each chair ships in one flat-pack carton and requires single-person assembly using basic hand tools. The chair supports a recommended maximum user weight of 120 kg, with seat foam formulated for regular dly office use. Casters deliver reliable rolling performance on hard office flooring, and the unified color and design support cohesive furnishing across large workstation deployments.

Mid-Back Mesh Office Task Chair with White Armrests and Chrome Base Specifications

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