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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 × 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 range	22 kg
Seat foam density	45 kg/m3
Back mesh tensile panel count	1 tensioned panel
Caster rolling durability	100000 cycles
Gas-lift durability	100000 height-adjustment cycles
Seat static load verification	102 kg
Backrest force rating	670 N back pull
Warranty period	5 years frame and mechanism; 2 years upholstery
Color option count	1 visible black finish

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Back support	Gray-black elastic mesh stretched in a black molded polymer frame
Seat cushion	Black woven fabric over shaped polyurethane foam with a rounded waterfall front
Headrest	Curved black polymer housing with fabric-covered foam padding and mesh center zone
Armrests	Height-adjustable black polymer arm posts with flat polyurethane or molded arm pads
Internal frame	Steel seat plate and molded back-support frame with polymer side housings
Base and casters	Black nylon five-star base with five twin-wheel swivel 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 with a 540 mm travel band, operated by the visible underside lever; public height value 540 mm.
Arm adjustment	Pillar-type armrests provide vertical height adjustment and 240 mm support height above the seat; pad width-direction movement is not visibly confirmed.
Lumbar and head support	Raised lumbar zone supports the lower back, while the sliding padded headrest provides 60 mm height adjustment for neck support.
Mobility	360-degree swivel seat and five 360-degree twin-wheel casters allow movement on carpet or hard floors with the supplied caster type.

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.

Workstation use	Suitable for individual office workstations and home-office desks because it provides high-back support, swivel mobility, and adjustable seat height.
Long-duration task seating	Recommended for computer-based staff spending 8 hours seated, subject to confirmed lumbar and recline adjustments.

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

No standards data is available for this market.

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

North America procurement and testing reference	Recommended references: ANSI/BIFMA X5.1

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

No standards data is available for this market.

Standardized tender description text

This product must meet the following technical requirements:
1. Technical standards and test reports must be supplied during tender or purchase confirmation;
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 an unbranded task seating solution, model EM-HBM-01, designed for professional workstations and home-office settings. Its coordinated black finish, tall back, padded headrest, and five-star base give it a conventional office appearance while providing support from the lumbar region to the head. Visually, the chair uses a gray-black elastic mesh back stretched within a black molded polymer frame. The single tensioned mesh panel creates a streamlined back surface, with a raised lumbar support zone and a 240 mm support-zone height. The seat is upholstered in black woven fabric over shaped polyurethane foam and features a rounded waterfall front. The headrest combines a curved black polymer housing with fabric-covered foam padding and a mesh center zone. Black polymer arm posts, side housings, and a nylon five-star base maintain a consistent, understated look suited to shared and individual work environments. Construction balances molded polymer, steel, foam, mesh, and nylon. The seat cushion has a finished thickness of 90 mm, uses 45 kg/m3 foam, and is supported by a steel seat plate. The backrest includes 70 mm of padding within its molded back-support frame. Height-adjustable arm posts carry flat polyurethane or molded arm pads, with 540 mm of clear width between the armrests. Mobility is provided by five twin-wheel swivel casters mounted to a black nylon base, while seat-height adjustment uses a steel gas-lift assembly. The recommended user weight capacity is 150 kg. Durability references include 100000 caster rolling cycles, 100000 gas-lift height-adjustment cycles, and a 102 kg seat static load verification. For daily use, the chair offers a 360-degree swivel seat and 360-degree twin-wheel casters suitable for carpet or hard floors with the supplied caster type. The pneumatic seat-height lift is operated by a visible underside lever and has a 540 mm travel band. The pillar-type armrests adjust vertically and place support 240 mm above the seat; pad width-direction movement is not specified. The sliding padded headrest offers 60 mm of height adjustment for neck support. These features make the chair appropriate for individual office workstations, home-office desks, and computer-based staff who spend eight hours seated, with fit and comfort subject to confirmed lumbar and recline adjustments. Procurement teams should note that each set ships as one chair in two cartons, with packaged gross weight of 23 kg and carton volume of 0.26 m3. Reference assembly time is 40 minutes per set, and an indicative 20GP container loads 135 sets at 85 percent space utilization.

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

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