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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)	660 × 660 × 1180 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 static user weight capacity	150 kg
Net product weight	18 kg
Seat foam density	45 kg/m³
Back mesh abrasion resistance	50000 cycles
Gas lift lift stroke	100 mm
Seat foam thickness	50 mm
Caster rolling durability	50000 cycles
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 cycles

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	Tensioned breathable polyester mesh over PP frame
Seat upholstery	Breathable mesh top over molded high-resilience foam
Armrest construction	Injection-molded fixed PP armrests with curved loop design
Headrest construction	Curved PP frame with padded mesh support, height adjustable
Five-star base	Reinforced nylon (PA) five-prong base with floor glide contact points
Gas lift component	Class 3 steel gas lift with black painted outer sleeve
Caster components	50mm diameter PU twin-wheel casters for hard/soft floor use
Chassis mechanism	2mm thick steel tilt mechanism with tension adjustment knob
Internal back frame	1.5mm thick PP reinforced ribbed internal frame
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

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 side lever, 100mm stroke, lock at any position
Backrest tilt function	Synchro tilt mechanism with adjustable tension, 12 degree maximum recline angle
Headrest adjustment	Articulating height and angle adjustable headrest for neck support
360-degree swivel	Full 360 degree rotational swivel via central gas lift and base bearing
Fixed lumbar support	Integrated molded lumbar contour in back mesh frame for lower back support
Smooth mobility	Dual-wheel casters roll freely on carpet and hard flooring without marring surfaces
Tilt lock control	Tilt lock knob secures backrest in upright working position
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.

Open plan office workstations	Suitable for 8-hour daily desk work with breathable mesh and lumbar support
Home office workspaces	Compact footprint fits standard home desk layouts with full ergonomic adjustment
Conference meeting rooms	Neutral black finish and professional appearance suit formal meeting environments
Height-adjustable standing desk setups	Pneumatic seat height adjustment coordinates with sit-stand desk elevation ranges
Cubicle workstations	660mm base width fits standard cubicle knee spaces without interfering with partitions
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 chair safety requirement	EN 1335:2020
Office chair durability requirement	EN 1335:2018
Office chair surface stability	EN 1728:2014

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Office chair base load test	ANSI/BIFMA X5.1 clause 18
Caster durability test	ANSI/BIFMA X5.1 clause 17

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair structural safety	GB/T 3326
Office chair mechanical durability	GB/T 10357.3
Upholstery formaldehyde limit	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair structural safety: GB/T 3326;
2. Office chair mechanical durability: GB/T 10357.3;
3. Upholstery formaldehyde limit: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Ergonomic Mesh High-Back Swivel Office Chair with Adjustable Headrest, model OFM-0605-ERGO-HB, is an unbranded ergonomic office seating solution designed for prolonged seated use. Its visual profile balances streamlined professional aesthetics with ergonomic shaping, featuring a tall contoured backrest, curved height-adjustable headrest, fixed loop-style armrests, and a five-prong base that creates a stable, compact footprint measuring 605 x 660 x 1180 mm overall. The neutral black finish lends a polished, understated look that complements a range of interior design schemes. Construction prioritizes durability and breathability: the backrest uses tensioned breathable polyester mesh stretched over a 1.5mm thick rib-reinforced PP internal frame, paired with an integrated molded lumbar contour spanning 240 mm in height for consistent lower back support. The seat combines a breathable mesh top layer over 90 mm total thickness molded high-resilience foam with a 45 kg/m³ density and 50 mm core foam thickness for pressure distribution. Fixed injection-molded PP armrests offer 540 mm of clear width between rests, while the base is built from reinforced nylon with integrated floor glide contact points. A Class 3 black-painted steel gas lift delivers 100 mm of height adjustment, paired with a 2mm thick steel synchro tilt chassis, and 50mm diameter PU twin-wheel casters rated for use on both hard and soft flooring. All wear-facing components are tested to 50000 cycles of use for both back mesh abrasion and caster rolling durability, supporting a 150 kg static user weight capacity at 18 kg net product weight. Core functional features include pneumatic seat height adjustment via side lever with lockable positioning at any point across its stroke, a 12-degree maximum synchro tilt with user-adjustable tension and a tilt lock to secure the backrest in an upright working position, articulating headrest adjustment for customized neck support, full 360-degree swivel, and smooth, non-marring mobility across carpet and hard floor surfaces. This chair is suited for open plan office workstations for 8-hour daily desk work, compact home office workspaces, formal conference meeting rooms, pairing with height-adjustable standing desks, and standard cubicle workstations where its 660mm base width fits standard knee spaces without partition interference. It is recommended for pairing with 2.4 m executive desks. Procurement teams should note each unit ships in 2 cartons with a 23 kg packaged gross weight and 0.26 m³ total carton volume, allowing 135 sets to load in a 20GP container at 85% space utilization; assembly requires 40 minutes per set.

Ergonomic Mesh High-Back Swivel Office Chair with Adjustable Headrest Specifications

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