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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)	630 × 700 × 1220 mm
Seat width	470 mm
Seat depth	460 mm
Seat height adjustment range (max)	540 mm
Backrest height	570 mm
Headrest height	60 mm
Armrest height above seat	190 mm
Seat cushion thickness	70 mm
5-star base diameter	700 mm
Total chair height (minimum adjustment)	1120 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 user weight capacity	159 kg
Chair net weight	21 kg
Caster rolling durability	100000 cycles
Seat foam density	50 kg/m³
Back mesh abrasion resistance	100000 Martindale cycles
Warranty period	5 years
Available color options	4
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	100% breathable polyester mesh
Seat cushion core	High-density molded polyurethane foam
Seat upholstery	Wear-resistant polyester fabric
Armrest pads	PU soft-touch padded surface
Gas lift column	QPQ-treated steel
5-star base	Polished chrome-plated steel
Casters	60mm dual-wheel nylon + PU
Internal seat frame	2.5mm thick stamped steel
Back frame	Reinforced polypropylene with steel core
Headrest padding	20mm thick foam with mesh cover
Seam stitch pitch	3mm per stitch
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.

360-degree swivel rotation	Full rotating seat and back via central gas lift swivel mechanism
Seat height adjustment	100mm vertical travel via gas lift lever
Backrest tilt function	135° recline with single-position tilt lock
Headrest adjustment	60mm vertical travel with 45° angle tilt
Lumbar support	Contoured fixed ergonomic lumbar zone
Waterfall seat edge design	Rounded front seat edge to reduce leg pressure
Smooth rolling mobility	Dual-wheel casters for carpet and hard floor use
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 office workstations	Suitable for 8+ hour daily desk work with ergonomic lumbar support
Home office setups	Fits standard 760 mm height office desks for remote work
Conference room seating	Adjustable height accommodates varied table heights for meeting use
Co-working shared spaces	Durable construction supports high-turnover shared user environments
Computer desk and study areas	Breathable mesh back suitable for extended study or gaming sessions
Executive private offices	Professional polished base design fits formal executive office decor
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 chair dimensional safety and performance requirements
EN 1335-2:2018	Applies to office chair structural strength and durability test methods
EN 1335-3:2009	Applies to office chair stability and safety test criteria

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 and durability requirements
Base static load test rating	1136 kg

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applies to office furniture dimensional accuracy and stability requirements
GB/T 10357.3-2013	Applies to office chair mechanical strength and durability test methods
GB 18584-2001	Applies to furniture formaldehyde emission limits for indoor use

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applies to office furniture dimensional accuracy and stability requirements;
2. GB/T 10357.3-2013: Applies to office chair mechanical strength and durability test methods;
3. GB 18584-2001: Applies to furniture formaldehyde emission limits for indoor use;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The High Back Ergonomic Mesh Office Chair with Adjustable Headrest, model ERG-MESH-HB-630, is an unbranded ergonomic seating solution designed for sustained daily use. Visually, it balances a sleek, professional profile with functional detailing: the streamlined mesh backrest curves to follow the natural spine, paired with a neatly upholstered seat and polished chrome-plated 5-star base that complements both formal and casual workspace aesthetics. The headrest sits atop the tall backrest, creating a cohesive, high-back silhouette that offers full upper body support without appearing bulky. At maximum adjustment, the chair measures 630 x 700 x 1220 mm, with a 470 mm wide, 460 mm deep seat and 570 mm tall backrest, proportions tailored to fit a wide range of users alongside standard 760 mm height office desks. It is offered in 4 color options to align with varied interior design schemes. Its construction prioritizes durability and long-term comfort. The backrest uses 100% breathable polyester mesh mounted on a reinforced polypropylene frame with a steel core, tested to 100000 Martindale cycles of abrasion resistance. The seat features a 70 mm thick core of high-density molded polyurethane foam at 50 kg/m³ density, upholstered in wear-resistant polyester fabric, with an internal frame of 2.5mm thick stamped steel. Support components include a QPQ-treated steel gas lift, polished chrome-plated steel 5-star base, and 60mm dual-wheel nylon and PU casters tested to 100000 rolling cycles; armrests are topped with soft-touch PU pads positioned 190 mm above the seat. The chair has a net weight of 21 kg, with a recommended user weight capacity of 159 kg. Core functional features support flexible, comfortable positioning: full 360-degree swivel for easy reach across work surfaces, 100mm of vertical seat height adjustment accessible via a side lever, 135-degree backrest recline with a single-position lock, and a headrest with 60mm vertical travel and 45-degree angle adjustment. A fixed contoured lumbar zone aligns with the lower back’s natural curve, while the waterfall seat edge reduces pressure on the backs of the legs during extended sitting. Dual-wheel casters roll smoothly across both carpet and hard flooring without marking surfaces. This chair is suited to a broad range of public and work spaces. It supports 8+ hours of daily desk work for corporate office workstations, fits remote work setups in home offices, adjusts to varied table heights for conference room use, and withstands high-turnover use in co-working shared spaces. It also works for computer desks and study areas, where the breathable mesh back maintains comfort during long study or gaming sessions, and its polished base finish aligns with the formal decor of executive private offices. For procurement planning, note that each chair ships in 2 cartons with a total packaged gross weight of 23 kg, per-set carton volume of 0.26 m³, and a reference assembly time of 40 minutes per unit. At 85% space utilization, a 20GP shipping container holds 135 sets. The product comes with a 5-year warranty, providing long-term value for high-volume commercial and institutional furnishing projects.

High Back Ergonomic Mesh Office Chair with Adjustable Headrest Specifications

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