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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.

Recommended user weight capacity	150 kg
Net weight	18 kg
Seat foam density	45 kg/m3
Seat foam thickness	80 mm
Back mesh abrasion acceptance target	50000 cycles
Seat upholstery abrasion acceptance target	30000 Martindale cycles
Caster rolling durability target	100000 cycles
Base static-load acceptance target	1136 kg
Seat dynamic fatigue target	100000 cycles
Warranty period	36 months

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	Black flexible mesh tensioned within a molded polymer frame
Seat upholstery	Black woven fabric over molded foam cushion
Seat cushion core	80 mm high-resilience molded polyurethane foam
Headrest	Curved black mesh pad with molded polymer support shell
Armrests	Height-adjustable black polymer arm posts with flat padded polymer tops
Base and gas lift	Black nylon five-star base, 50 mm chrome gas lift, black twin-wheel casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic lever raises or lowers the seat through a 100 mm stroke from 450 to 550 mm
Recline and tension control	Side knob controls tilt resistance while the synchro mechanism allows a 15-degree back recline
Swivel mobility	360-degree swivel seat supported by a central gas-lift and five caster points
Head and arm positioning	Curved headrest supports the neck and two arm pads provide forearm support; arm height travel target is 80 mm

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 lumbar support, swivel access, and height adjustment are required daily.
Meeting or home-office use	Suitable for shared desks, home offices, and task rooms needing a neutral black chair with head and arm support.

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Office chair safety applicability	EN 1335
Mechanical safety applicability	EN 1335
Stability and durability applicability	EN 1335

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair safety applicability	ANSI/BIFMA X5.1
Textile flammibility reference	ANSI/BIFMA e3 textile credit option

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety applicability	GB/T 28004.1
Formal emission verification	GB/T 18580
Textile safety applicability	GB 18401

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety applicability: GB/T 28004.1;
2. Formal emission verification: GB/T 18580;
3. Textile safety applicability: GB 18401;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Black Mesh High-Back Ergonomic Office Chair with Headrest and Adjustable Arms is a neutral task seating option for professional and home work environments. Its tall black mesh back is held in a molded polymer frame and paired with a curved black mesh headrest, creating a streamlined appearance suited to individual workstations, shared desks, meeting areas, and task rooms. The chair has a five-star layout with a central chrome gas lift and five black twin-wheel casters, supporting 360-degree swivel movement. Overall dimensions are 660 by 660 by 1290 millimeters, with a 540-millimeter clear width between the armrests. The unbranded model is EOCH-MESH-HB-01 in the ergonomic office chair category. Construction balances breathable support with padded comfort. The backrest uses black flexible mesh tensioned within its frame and includes a 240-millimeter lumbar support zone with 70 millimeters of backrest padding thickness. The seat is upholstered in black woven fabric over a molded foam cushion. Its core is 80 millimeters of high-resilience molded polyurethane foam at 45 kilograms per cubic meter density, while the finished seat cushion thickness is 90 millimeters. Armrests use height-adjustable black polymer posts with flat padded polymer tops. The base is black nylon, fitted with black twin-wheel casters and a 50-millimeter chrome gas lift. Acceptance targets include 50000 back-mesh abrasion cycles, 30000 Martindale cycles for seat upholstery abrasion, and 100000 caster rolling durability cycles. Recommended user weight capacity is 150 kilograms, and net weight is 18 kilograms. Daily adjustments are controlled at the seat. A pneumatic lever changes seat height through a 100-millimeter stroke, from 450 to 550 millimeters. A side knob sets tilt resistance, while the synchro mechanism permits 15 degrees of back recline. The curved headrest supports the neck, and the two arm pads support the forearms; arm height travel target is 80 millimeters. These functions make the chair appropriate for desk-based work requiring lumbar support, swivel access, and regular height adjustment, as well as home offices or shared spaces needing head and arm support. Procurement planning should account for flat-packed delivery and assembly. Each set is supplied in two cartons, with reference packaged gross weight of 23 kilograms and reference carton volume of 0.26 cubic meter per set. Reference assembly time is 40 minutes per set. The reference carton dimensions are 850 by 420 by 720 millimeters, and indicative 20GP loading is 135 sets at 85 percent space utilization.

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

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