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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)	540 mm
Backrest width	480 mm
Backrest height (seat top to back top)	520 mm
Armrest height (seat top to arm top)	220 mm
Armrest width (per arm pad)	60 mm
5-star base diameter	600 mm
Caster diameter	50 mm
Seat cushion thickness (front edge)	80 mm
Backrest thickness (frame edge)	30 mm
Armrest length (per arm pad)	250 mm
Gas lift outer tube diameter	50 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 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 static weight capacity	120 kg
Net weight reference	14 kg
Seat foam density reference	45 kg/m³
Backrest mesh tensile strength reference	1500 N
Gas lift cycle life reference	100000 cycles
Caster rolling durability reference	100000 cycles
Seat foam compression set resistance	10%
Tilt mechanism static load reference	1500 N
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 support surface	Breathable woven mesh with elastic yarn construction
Seat cushion upholstery	Woven polyester fabric in medium gray
Seat cushion core	Molded polyurethane foam
Internal seat frame	Plywood and steel reinforcement frame
Armrest assembly	White plastic top pad with light gray structural support bracket
Gas lift column	Chrome-plated steel pneumatic cylinder
5-star base	Chrome-plated steel five-leg structure
Casters	Black nylon dual-wheel casters with chrome mounting stems
Tilt mechanism chassis	2.5 mm thick stamped steel tilt plate with black powder-coated housing, mounted under seat
Backrest outer frame	Gray injection-molded high-strength plastic frame with reinforced corner brackets
Internal seat support frame	12 mm thick plywood substrate reinforced with 1.5 mm thick steel load-bearing brackets
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board

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 right-side lever, with 100 mm maximum travel
Swivel function	360-degree full rotation around central gas lift column
Backrest tilt function	Synchro or knee-tilt mechanism with multiple lockable positions, maximum recline angle 18 degrees
Armrest support	Fixed-height dual-arm rest configuration with flat top pads, non-adjustable for height or width
Mobility function	Five dual-wheel casters for rolling movement on office floors and low-pile carpet
Breathable back support	Taut mesh back panel provides passive airflow and flexible lumbar conformity
Weight distribution	Five-point base geometry distributes user load evenly across casters for stable seating
Tilt tension adjustment	Rotary knob under front of seat adjusts backrest recline resistance to suit user weight, with 12 full rotation range of adjustment
Weight distribution stability	Five-point base geometry distributes user load evenly across 5 casters, with 20 degree minimum tipping resistance angle under rated static load
Recline Angle / Lock Reference	125° with 3 suggested 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.

Packing configuration	1 piece per carton, flat-packed knockdown
Carton dimensions	660 x 620 x 320 mm
Gross weight per carton	16 kg
Volume per carton	0.131 m³
Assembly time (single person)	30 minutes
20 ft container loading quantity	260 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	Suitable for daily 8-hour desk work in shared open offices, compatible with standard 760 mm height desks
Staff and administrative workstations	Ideal for general administrative, clerical and entry-level staff seating as a standardized fleet chair
Meeting and training rooms	Appropriate for conference tables and training desks where 360-degree swivel and mobility are useful
Home office use	Suitable for home workspaces requiring compact footprint and adjustable seat height for different desk heights
Flexible coworking spaces	Works well in hot-desking environments where users of different heights share seats
Small and medium enterprise office fit-outs	Suitable for bulk procurement for new office setup projects requiring cost-effective standardized seating
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

EN 1335-1:2020	Applicable for office chair dimension, strength and durability general requirements
EN 1022:2018	Applicable for office chair stability testing under static load conditions

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable standards and test results require confirmation
ANSI/BIFMA X5.5-2021	Applicable for caster and base durability evaluation for office seating

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 14724-2009	Applicable standards and test results require confirmation
GB/T 3326-2016	Applicable for seat height, backrest height and overall dimension measurement of furniture
GB 28007-2011	Applicable for formaldehyde emission limit of wood-based internal frame parts if plywood is used

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 14724-2009: Applicable standards and test results require confirmation;
2. GB/T 3326-2016: Applicable for seat height, backrest height and overall dimension measurement of furniture;
3. GB 28007-2011: Applicable for formaldehyde emission limit of wood-based internal frame parts if plywood is used;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

This mid-back mesh office task chair presents a streamlined, functional silhouette tailored for everyday work use. Its design features a breathable mesh backrest framed by structured trim, paired with a gray fabric-upholstered seat and fixed armrests with flat plastic top pads, all anchored by a polished chrome-plated steel 5-star base. The chair’s neutral gray and chrome color scheme creates a versatile, unobtrusive aesthetic that aligns with a range of interior styles. Constructed with durable, performance-focused materials, the chair’s backrest uses a woven mesh with elastic yarn to deliver passive support and airflow during extended use. The seat cushion integrates a molded polyurethane foam core supported by an internal frame of plywood and steel reinforcement, while the armrests combine plastic top surfaces with structural support brackets. A chrome-plated pneumatic gas lift connects the seat assembly to the chrome steel base, which is fitted with black nylon dual-wheel casters for smooth movement. The tilt mechanism beneath the seat uses a stamped steel plate within a powder-coated housing to support recline functionality. For practical use, the chair offers pneumatic seat height adjustment via a right-side lever, 360-degree swivel capability, and a backrest tilt function with lockable positions and tilt tension adjustment controlled by a rotary knob under the seat front. Fixed-height armrests provide steady upper-body support, and the taut mesh back delivers flexible lumbar conformity through passive design. The five-point base geometry evenly distributes user weight for stable seating, and the casters support rolling movement across common office floor surfaces. The chair fits seamlessly across multiple settings. In commercial spaces, it works for open-plan workstations, staff and administrative desks, meeting and training rooms, small and medium enterprise office fit-outs, and flexible coworking environments, supporting bulk fleet procurement for standardized seating needs. For residential use, it suits home offices, where its compact footprint and adjustable height pair well with varied desk setups and decor schemes. Procurement teams should note the chair ships in a flat-pack knockdown configuration with all components included, and requires on-site assembly. All material, dimensional, and performance specifications reference standard mid-back task chair configurations, so confirm specific details such as foam density, mesh tensile strength, gas lift rating, and caster wheel type directly with the supplier prior to final purchase.

Mid-Back Mesh Office Task Chair with Upholstered Seat and Chrome Base Specifications

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