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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)	670 × 700 × 1205 mm
Five-star base diameter	700 mm
Seat width	505 mm
Seat depth	460 mm
Seat height range (from floor)	530 mm
Backrest width	430 mm
Headrest width	315 mm
Headrest height adjustment travel	60 mm
Backrest height (from seat)	570 mm
Armrest height range (from seat)	255 mm
Caster diameter	60 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.

Net weight	20 kg
Maximum recommended static load	200 kg
Gas lift service cycle rating	120000 cycles
Caster rolling durability	120000 cycles
Mesh upholstery abrasion resistance	50000 Martindale cycles
Recommended user height range	1850 mm
Seat foam density	55 kg/m³
Seat foam thickness	80 mm
Warranty period	36 months
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 black polyester tension mesh
Backrest frame	Reinforced black polypropylene structural frame
Seat cushion core	High-density cold-cured molded foam
Seat outer shell	Black molded polypropylene seat pan
Armrest pads	Soft-touch padded polyurethane contact surface
Armrest supports	Reinforced polypropylene height-adjustable uprights
Five-star base	Silver-finish metallic alloy (chrome steel or aluminum)
Gas lift cylinder	Chrome-plated steel nitrogen-filled cylinder
Casters	Black polyurethane tread dual-wheel casters
Headrest	Breathable black mesh on curved PP frame
Upholstery seam stitch pitch	8 mm
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 height adjustment via Class 3 gas lift, 85 mm travel
Headrest adjustment	Vertical height adjustment with 60 mm upward travel
Armrest adjustment	Vertical height adjustment with 80 mm travel to align with desk surfaces
Swivel function	360-degree full rotation around central gas lift axis
Recline function	Synchro-tilt backrest recline with 135-degree maximum lock angle
Tilt tension control	Knob-adjustable recline tension to match user weight
Mobility function	Smooth-rolling dual-wheel casters for use on hard or carpeted floors
Lumbar support	Contoured integrated lumbar support zone in mid-back mesh
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.

Corporate open office workstations	Suitable for 8-hour daily work with full adjustability for varied user heights
Home office study spaces	Compact footprint fits standard desk setups with breathable comfort for extended use
Conference and meeting rooms	Professional neutral appearance, swivel and mobility support collaborative discussion
IT and creative studio workspaces	Ergonomic support reduces fatigue during long focused work sessions
Shared hot-desking environments	Quick, tool-free adjustability adapts to different users across shifts
Manager and executive private offices	Professional styling with premium adjustability for senior workspace use
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	Applies to office work chair dimensional, safety and strength requirements for EU market procurement
EN 1335-2:2018	Applies to mechanical safety requirements including stability and durability for office chairs
EN 1335-3:2009	Applies to test methods for verifying structural and functional performance of office chairs

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 performance, durability and safety requirements for North American procurement

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applies to office chair dimensional, material and structural strength requirements for domestic procurement
GB/T 10357.2-2013	Applies to static load and durability testing of chair seats, backs and armrests

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applies to office chair dimensional, material and structural strength requirements for domestic procurement;
2. GB/T 10357.2-2013: Applies to static load and durability testing of chair seats, backs and armrests;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The ERG-MESH-700-HB high-back ergonomic office chair features a professional, streamlined visual profile anchored by a contrasting silver five-star caster base and matte black structural elements. Its contoured mesh backrest flows into an integrated padded seat, with a matching adjustable headrest positioned above the upper back edge, and height-adjustable armrests flanking the seat to form a cohesive, functional layout suited to a wide range of workspace aesthetics.
Constructed for long-term regular use, the chair pairs a breathable black polyester tension mesh backrest set within a reinforced polypropylene frame with a seat built around a high-density cold-cured molded foam core, supported by a molded polypropylene seat pan. The silver-finish metallic alloy five-star base holds chrome-plated steel nitrogen-filled gas lift cylinders and black polyurethane dual-wheel casters, while armrests feature soft padded polyurethane contact surfaces mounted on reinforced height-adjustable polypropylene uprights.
Core functional features support user comfort across extended seated sessions: pneumatic seat height adjustment allows tailored positioning, while the headrest offers vertical travel to support the neck, and armrests adjust vertically to align with standard desk surfaces. The chair delivers full 360-degree swivel, a synchro-tilt recline with a locked maximum angle, knob-adjustable tilt tension calibrated to individual user weight, and smooth-rolling casters suitable for both hard flooring and carpeted surfaces. A dedicated lumbar support zone built into the backrest further reduces strain during long periods of focus.
This model works equally well across commercial and residential spaces. It supports 8 hours of daily use for corporate open office workstations, fits compact home office study setups, offers a neutral professional look for conference and meeting rooms, reduces fatigue during long creative or technical work sessions in IT and studio spaces, adapts quickly between users in shared hot-desking environments, and carries a polished enough aesthetic for manager and executive private offices.
Procurement teams should note the chair ships across two cartons per set, with a reference assembly time per unit that allows for straightforward deployment across large floorplans. The product has a clearly stated maximum recommended static load to guide user suitability, and is designed to accommodate users up to the upper end of the recommended height range. The unbranded model offers flexible integration with existing workspace furnishing schemes without requiring alignment with proprietary brand design lines.

High-Back Breathable Mesh Ergonomic Office Chair with Adjustable Headrest and Silver 5-Star Caster Base Specifications

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