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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 × 680 × 1260 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	135 kg
Net weight	17 kg
Seat foam thickness	70 mm
Seat foam density	45 kg/m3
Back mesh tensile rating	350 N/50 mm
Back frame static load	136 kg
Base static load rating	1134 kg
Caster rolling durability	100000 cycles
Gas lift cycles	100000 cycles
Recommended user height range	1900 mm

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 support fabric	Black flexible polyester mesh stretched over a framed outer back and internal Y-shaped support ribs
Headrest construction	Curved rectangular mesh panel with black polymer frame and central height connector
Seat cushion	Black woven fabric over molded foam with a rounded waterfall front edge
Armrests	Light gray molded fixed supports with black soft-touch top pads and downward seat-mounted posts
Seat underside and mechanism	Black steel tilt mechanism and lever concealed by a light gray polymer seat carrier
Lift column	Chrome-finish steel telescopic gas cylinder with black upper and lower collars

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic side lever raises and lowers the seat through a 100 mm stroke for 530 mm seat heights
Swivel movement	360-degree swivel seat mounted on the central gas cylinder and five-star base
Back recline	Synchronized tilt mechanism provides a 15-degree rearward recline with tension control and upright lock positions
Headrest support	Framed mesh headrest aligns with the upper spine and occipital area and uses a central connector for height positioning

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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

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

Office workstation use	Suited to individual desk-based work where the mesh back, headrest, armrests, and lumbar contour support 8 hour seated tasks.
Project procurement fit	Appropriate for open-plan offices, home offices, and shared work zones requiring swivel mobility and standard caster access.

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 applicability	Use for office chair dimensional safety, including seated clearance, adjustment ranges, and user fit.
EN 1335-2 applicability	Use for office-chair safety requirements covering structure, stability, gas cylinder, and load-bearing parts.
EN 1335-3 applicability	Use for office-chair structural and durability test methods during supplier qualification.
EN 1022 applicability	Use for domestic and commercial seating stability verification of the swivel caster base.

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 applicability	Use for general-purpose office chair safety, durability, static load, fatigue, and base acceptance testing.

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 applicability	Use for strength and durability testing of chair back, seat, and arm loads in office seating procurement.
GB/T 10357.7 applicability	Use for chair stability assessment on the five-star swivel base under normal and edge-loading conditions.
GB/T 2960 applicability	Use for leather surface testing only if the supplied fabric is replaced with leather upholstery.
GB 17927 applicability	Use for upholstered furniture burning-behavior assessment when project fire-safety requirements apply.

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 applicability: Use for strength and durability testing of chair back, seat, and arm loads in office seating procurement.;
2. GB/T 10357.7 applicability: Use for chair stability assessment on the five-star swivel base under normal and edge-loading conditions.;
3. GB/T 2960 applicability: Use for leather surface testing only if the supplied fabric is replaced with leather upholstery.;
4. GB 17927 applicability: Use for upholstered furniture burning-behavior assessment when project fire-safety requirements apply.;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Ergonomic High-Back Mesh Office Chair with Headrest, model EM-HB01-GRY, is an unbranded task seating option designed for sustained desk-based work. Its tall profile combines a framed mesh back, contoured seat, fixed armrests, and integrated headrest in a practical black and light gray finish suited to neutral office interiors. Visually, the chair uses a black flexible polyester mesh back stretched over a framed outer structure with internal Y-shaped support ribs. The curved rectangular headrest matches the mesh design, with a black polymer frame and central height connector. Below, the black woven fabric seat features molded foam and a rounded waterfall front edge, while light gray fixed armrest supports carry black soft-touch pads. A light gray polymer seat carrier conceals the black steel tilt mechanism, and the chrome-finish telescopic gas cylinder connects to a nylon five-star base with twin-wheel casters. Construction balances breathable support with padded comfort. The backrest includes a defined lumbar support zone, and the seat uses molded foam beneath woven fabric. Painted metal and nylon form the support structure, while molded pads provide armrest comfort. The chair has an overall dimension of 680 by 680 by 1260 millimeters, a 90-millimeter finished seat cushion, 70-millimeter backrest padding, and 540 millimeters of clear width between the armrests. Its recommended user weight capacity is 135 kilograms. Functionality centers on ergonomic adjustment and mobility. A pneumatic side lever operates the gas-lift seat height adjustment through a 100-millimeter stroke for a 530-millimeter seat height. The seat rotates 360 degrees on the central cylinder and five-star base, and the synchronized tilt mechanism allows 15 degrees of rearward recline, tension control, and upright lock positions. The headrest is height-positionable through its central connector and is shaped to align with the upper spine and occipital area, while the fixed armrests provide consistent forearm support. The chair is appropriate for open-plan offices, individual workstations, home offices, and shared work zones where swivel movement and caster-based access are required. It is positioned for desk-based tasks supported by the mesh back, headrest, armrests, and lumbar contour. For procurement, each set is supplied in two cartons and requires assembly, with a reference assembly time of 40 minutes per set. The packaged gross weight is 23 kilograms, and the reference carton volume is 0.26 cubic meters per set. Planners should account for fixed rather than adjustable armrests, mesh-back aesthetics, caster suitability for the intended floor type, color coordination with gray and black interiors, and the practical coordination of a two-carton delivery and assembly process.

Ergonomic High-Back Mesh Office Chair with Headrest Specifications

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