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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)	680 × 700 × 1320 mm
Seat height adjustment range	730 mm
Five-star base diameter	680 mm
Seat width	520 mm
Seat depth	450 mm
Backrest height	570 mm
Backrest upper width	625 mm
Headrest height	230 mm
Armrest forward protrusion	390 mm
Extended depth with footrest deployed	1400 mm
Armrest height above seat	200 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	200 kg
Net weight	25 kg
Five-star base static load rating	1100 kg
Caster rolling durability	100000 cycles
Mesh abrasion resistance	50000 Martindale cycles
Warranty period	3 years
Net chair weight	25 kg
Gas lift rated cycle life	120000 cycles
Standard warranty period	5 years
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%

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 upholstery	Breathable nylon mesh, tensioned over plastic support frame
Seat upholstery	Breathable mesh surface over 55D high-density foam padding
Armrests	Fixed curved PP plastic loop armrests, hard matte finish
Internal seat frame	12mm thick plywood support with 2.5mm steel chassis plate
Gas lift cylinder	Class 3 steel gas lift, 50mm tube diameter, 100mm stroke
Five-star base	Chrome-plated steel 5-star base, 2mm wall thickness
Casters	50mm diameter PU silent swivel casters, 360-degree rotation
Retractable footrest	Steel support frame with PP padded surface, under-seat sliding track
Headrest	Mesh-covered curved PP frame with height/rotation adjustment
Lumbar support	Integrated molded plastic ribbed lumbar support structure
Internal seat support frame	12mm thick plywood core with 2.5mm steel chassis mounting plate
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	100mm vertical travel via gas lift, lockable at any position within 730 mm range
Backrest recline	150-degree maximum tilt, 3-position lock including upright work and nap modes
360-degree swivel	Full rotation around central gas lift axis for multi-directional access
Headrest adjustment	60mm vertical lift and 35-degree rotation to support neck posture
Retractable footrest	Slides out from under seat, extends 300mm to support legs during recline
Tilt tension control	Adjustable resistance knob under seat to match user weight for recline
Smooth rolling mobility	Dual-caster design rolls on hard floors and low-pile carpet without scratching
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.

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
Reference Carton Volume	0.26 m³/set
Indicative 20GP Loading	135 sets at 85% space utilization
Indicative 40HQ Loading	320 sets at 85% space utilization

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Home office workspace	Suitable for long-hour computer work with recline and footrest for short breaks
Open office workstation	Fits standard desk height 760 mm with 730 mm adjustable seat range
Nap/rest break area	150-degree recline with extended footrest supports short naps during work breaks
Conference meeting rooms	360-degree swivel and smooth rolling support easy movement during collaborative discussions
Height range suitability	Accommodates users 185 cm tall with adjustable seat and headrest
Open plan office workstation	Fits standard 760mm height commercial desks with 730 mm adjustable seat range
Staff break rest area	150-degree recline with extended footrest supports short naps during scheduled work breaks
General office use	Accommodates users up to 185cm tall with adjustable seat and headrest positioning

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Applies to office chair dimensional, safety and strength requirements for task seating
EN 1335-2:2018	Applies to office chair structural performance and durability test methods
EN 1728:2012	Applies to seating furniture strength and stability standardized test methods

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applies to general-purpose office chair safety, durability and structural performance
Gas lift rated cycles	120000

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applies to office furniture chair dimensional accuracy and stability testing
GB/T 24821-2009	Applies to office mesh chair upholstery strength and durability requirements
GB 28007-2011	Applies to office chair safety and structural load performance requirements

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applies to office furniture chair dimensional accuracy and stability testing;
2. GB/T 24821-2009: Applies to office mesh chair upholstery strength and durability requirements;
3. GB 28007-2011: Applies to office chair safety and structural load performance requirements;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The ERG-MESH-680-FR ergonomic office chair is an unbranded public and workspace seating solution designed to balance long-session comfort, functional flexibility, and durable construction. It features a contoured high-back silhouette with a wide, curved mesh headrest, fixed matte curved loop armrests, a generously sized padded seat, and a polished chrome five-star caster base. The retractable footrest tucks flush beneath the seat when not in use, maintaining a streamlined profile that does not impede movement around work surfaces. All adjustment controls are positioned within easy reach under the seat, creating an uncluttered, intuitive layout for all users. The chair is built for extended daily use, with a tensioned breathable nylon mesh backrest stretched over a plastic support frame to promote consistent airflow. The seat pairs a matching breathable mesh surface with 55D high-density foam padding, supported by an internal frame of 12mm thick plywood and a 2.5mm steel chassis plate. Fixed armrests are constructed from hard matte PP plastic, while the 2mm wall thickness chrome-plated steel five-star base supports a Class 3 steel gas lift with 50mm tube diameter. Smooth 50mm PU silent swivel casters allow 360-degree rotation for full mobility, and the retractable footrest uses a steel support frame with PP padded surface on an under-seat sliding track. It carries a 3-year warranty, with performance ratings including 200kg maximum recommended user weight, 1100kg five-star base static load, 100,000 caster rolling cycles, and 50,000 Martindale cycles of mesh abrasion resistance. Core functional features include 100mm lockable seat height adjustment across a 730mm range, 150-degree maximum backrest recline with three lock positions covering upright work and rest modes, adjustable tilt tension to match user weight, 60mm vertical lift and 35-degree rotation for the headrest to support neck posture, and a footrest that extends 300mm to support legs during recline. The casters roll smoothly on hard floors and low-pile carpet without scratching surfaces, and full 360-degree swivel enables easy multi-directional access to surrounding work areas. This chair is suitable for home office workspaces for long computer work sessions, open plan office workstations paired with standard 760mm height commercial desks, workplace nap and rest break areas for short mid-shift rests, and conference rooms to support flexible movement during collaborative discussions. It accommodates users up to 185cm tall via its adjustable seat and headrest. For procurement, note that each unit ships in 2 cartons, requires 40 minutes of assembly per set, and 135 sets can be loaded in a 20GP container at 85% space utilization.

High-Back Full Breathable Mesh Ergonomic Office Chair with Retractable Footrest Specifications

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