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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)	650 × 650 × 1320 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	16 kg
Seat foam density	45 kg/m3
Seat foam thickness	80 mm
Back mesh load distribution	120 kg static seating target
Backrest recline range	125degrees
Caster rolling durability target	100000 cycles
Gas lift cycles target	100000 cycles
Warranty period	3 years
Color count	1 color

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	Breathable black woven mesh tensioned over a molded black nylon outer frame
Seat cushion	80 mm molded polyurethane foam under black woven fabric with a contoured plywood or composite seat pan
Headrest	Black mesh-faced cushion with black plastic trim and a height-adjustable polymer support bracket
Lumbar mechanism	Curved black polymer lumbar cradle with a circular adjustment knob and diagonal support arms
Armrests	Rigid black polymer T-shaped arm posts with flat polymer arm pads
Base and lift	Black molded nylon five-star base, 50 mm steel gas lift and black twin-wheel polymer casters

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic gas lift raises the seat through a 100 mm stroke using the under-seat lever
Recline and lock	Synchro-tilt mechanism reclines to 125 degrees and locks in 3 positions through the under-seat control
Lumbar adjustment	Rear rotary knob drives the curved lumbar cradle to change lower-back pressure over a 30 mm support depth
Swivel and mobility	360-degree swivel seat and five 60 mm twin-wheel casters provide movement on hard floors or low-pile carpet

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	Suitable for desk-based staff requiring lumbar, head, arm and recline support during 8 hour work sessions
Task and meeting spaces	Suitable for open-plan offices, home offices, focus rooms and shared workstations where a black swivel task chair is required

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 Lumbar Support is an unbranded task seating solution, model EM-HB-MESH-01, designed for users seeking structured support during long desk-based sessions. Its tall black profile pairs a breathable woven mesh back and matching mesh-faced headrest with a black fabric seat, creating a functional appearance suited to professional and residential work environments. The chair is built around a molded black nylon outer frame, a contoured plywood or composite seat pan, rigid T-shaped polymer armrests, and a black molded nylon five-star base. The seat uses molded polyurethane foam beneath black woven fabric, while the headrest includes black plastic trim and a height-adjustable polymer bracket. A curved polymer lumbar cradle with diagonal support arms and a circular adjustment knob provides a defined lower-back support zone. Practical operation is centered on under-seat controls. A pneumatic steel gas lift offers seat-height adjustment through a lever, and the synchro-tilt mechanism allows the backrest to recline to 125 degrees, with three lockable positions. The rear rotary knob adjusts lumbar pressure by moving the curved cradle through its support-depth travel. The seat swivels 360 degrees, and five black twin-wheel polymer casters support movement across hard floors or low-pile carpet. Flat polymer arm pads add forearm support, while the clear width between armrests helps accommodate a range of seated positions. With an overall height of 1320 mm and a 650 mm by 650 mm footprint, the chair is appropriate for individual office workstations, open-plan seating, home offices, focus rooms, task areas, meeting spaces, and shared workstations where a black swivel task chair is required. It is specified for desk-based staff needing head, arm, lumbar, and recline support during eight-hour work sessions, with a recommended user weight capacity of 150 kg. Procurement teams should plan for assembly and handling: each set is supplied in two cartons, with a packaged gross weight of 23 kg and a reference assembly time of 40 minutes. The black finish supports coordinated commercial interiors, while the separate headrest, armrest, lumbar, tilt, and mobility features make the model suitable for both dedicated desks and flexible shared seating.

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

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