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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 × 1290 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.

Chair net weight	17 kg
Recommended user weight capacity	150 kg
Suitable user height	1550 to 1900 mm
Seat foam density	45 kg/m3 molded polyurethane
Back mesh tensile verification target	200 N per 50 mm strip
Seat sliding adjustment travel	0 mm
Tilt angle range	90 to 115 degrees from upright
Caster rolling durability target	100000 cycles
Gas-lift durability target	100000 height cycles
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 and headrest	Black flexible mesh tensioned over a molded polymer outer frame
Seat cushion	80 mm polyurethane foam pad with black woven upholstery over a molded seat shell
Lumbar zone	Raised black padded lumbar support integrated into the mesh back
Armrests	Black fixed T-shaped polymer arm supports with flat padded contact caps
Internal frame	Molded polymer back frame with steel seat-support plate under the cushion
Base and lifting parts	Black nylon five-star base, steel gas-lift cylinder, polymer telescopic shroud and twin-wheel casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic seat-height lift operated by the right-side lever, with 100 mm travel and a 50 mm cylinder
Recline control	Center-tilt or synchro mechanism reclines to 115 degrees and includes upright-position lock via the visible lever set
Swivel and mobility	360-degree swivel seat on a gas-lift center column with five 60 mm twin-wheel casters
Postural support	High mesh back, fixed lumbar pad and height-adjustable curved headrest support shoulder and neck alignment

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Packed gross weight	20 kg
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Office workstation use	Suitable for desks 720 to 760 mm high where users need lumbar support, swivel access and rolling mobility
Home office or study use	Suitable for daily computer work in compact rooms because the 660 mm base fits standard desk openings

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1	Dimensional safety requirements for office work chairs; use to validate seat, back and adjustment clearances
EN 1335-2	Safety test requirements for office work chairs; use for structural stability and strength acceptance
EN 1335-3	Test methods for office work chairs; use as laboratory verification method with EN 1335
EN 1021-1 and EN 1021-2	Upholstered seating ignition resistance tests for cigarette and match sources; request reports for seat fabric and foam

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1	Office chairs standard; specify back, base, arm, drop, swivel, stability and caster duty tests for procurement acceptance

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3	Test method for furniture strength and durability of chairs and stools; use for backrest, seat and leg load verification
GB 17927	Safety requirements for upholstered furniture; use for mattress-free seat foam, fabric and barrier material checks
GB/T 3324	General technical specification for wooden furniture; apply only if supplier declares wood-based internal components
GB 28007	Safety and performance requirements for children's furniture; applicable only when procurement is for child-use settings

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3: Test method for furniture strength and durability of chairs and stools; use for backrest, seat and leg load verification;
2. GB 17927: Safety requirements for upholstered furniture; use for mattress-free seat foam, fabric and barrier material checks;
3. GB/T 3324: General technical specification for wooden furniture; apply only if supplier declares wood-based internal components;
4. GB 28007: Safety and performance requirements for children's furniture; applicable only when procurement is for child-use settings;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The High-Back Mesh Ergonomic Office Chair with Headrest and Adjustable Arms is a black, task-oriented seating solution for professional and home workspaces. Despite the title reference, the supplied specification describes fixed T-shaped armrests rather than adjustable arms. Its appearance is defined by a tall mesh back and matching headrest, a dark upholstered seat, black polymer frame and arm components, and a five-star caster base. The chair has an overall footprint of 660 by 660 mm and an overall height of 1290 mm, with a clear width of 540 mm between the armrests. The high-back form provides a structured visual anchor while keeping the back visually open through the mesh. Construction combines flexible black mesh tensioned over a molded polymer outer frame with an upholstered foam seat built on a molded shell. The seat uses an 80 mm polyurethane foam pad with black woven upholstery, while the finished cushion thickness is 90 mm; the foam is specified as 45 kg/m3 molded polyurethane. The backrest includes 70 mm of padding thickness and a raised black padded lumbar zone integrated into the mesh back, with the lumbar support zone measuring 240 mm in height. Under the cushion, a steel seat-support plate reinforces the molded frame. The armrests are fixed black polymer T-supports with flat padded contact caps. A black nylon five-star base, steel gas-lift cylinder, polymer telescopic shroud, and twin-wheel casters complete the structure. The chair weighs 17 kg and carries a recommended user weight capacity of 150 kg. Functional controls are arranged for conventional office use. A right-side lever operates pneumatic seat-height adjustment, with 100 mm of travel and a 50 mm cylinder. The center-tilt or synchro mechanism allows the chair to recline from a 90-degree upright position to 115 degrees, and a visible lever set provides an upright-position lock. The seat does not slide. A 360-degree swivel is provided through the gas-lift center column, and five 60 mm twin-wheel casters support rolling mobility. The curved headrest is height adjustable, and the high back, fixed lumbar pad, and headrest are intended to support shoulder and neck alignment during computer-based work. The chair is suited to office workstations with desks 720 to 760 mm high, particularly where lumbar support, swivel access, and mobility are required. It is also appropriate for home offices or study spaces used for daily computer work, as the 660 mm base is designed to fit standard desk openings in compact rooms. The recommended user height range is 1550 to 1900 mm. For procurement, note that the product is unbranded, model EH-MESH-HB-01, and supplied as one set across two cartons. Reference assembly time is 40 minutes per set. Planning should use the packaged gross weight of 23 kg per set, carton dimensions of 850 by 420 by 720 mm, and carton volume of 0.26 m3 per set. The back mesh has a tensile verification target of 200 N per 50 mm strip. Buyers should confirm armrest adjustability expectations against the fixed-arm specification before ordering.

High-Back Mesh Ergonomic Office Chair with Headrest and Adjustable Arms Specifications

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