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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 × 1280 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 reference	16.5 kg
Seat foam density	45 kg/m3
Back mesh tension durability	100000 flex cycles
Seat slide static load	680 kg downward, 150 kg front-edge
Caster rolling durability	100000 cycles
Gas lift cyclic height adjustment	100000 cycles
Recommended user stature range	190 cm; published value 190 cm
Warranty target	5 years frame and mechanism, 2 years fabric and foam
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 support	Black elastic mesh stretched inside a molded polymer perimeter frame
Seat cushion	Black woven fabric over 70 mm molded foam with shaped waterfall front
Headrest	Breathable black mesh panel on curved polymer housing with adjustable support stem
Armrests	One-piece black polymer T-posts with flat padded polymer arm caps
Back frame and lumbar shell	Injection-molded black polymer outer frame with central vertical spine and lower lumbar opening
Base and lifting parts	Nylon-composite five-star base, black painted steel gas-lift column and steel mechanism plate

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 the seat through an 80 mm stroke between 460 and 540 mm
Recline and lock	Synchronized tilt mechanism reclines to 18 degrees with rear-position tension and lock control
Headrest adjustment	Curved headrest on a central stem supports 50 mm height adjustment and 25-degree angle change
Back support	Framed flexible mesh and lower lumbar zone provide contouring support without a separate adjustable lumbar pad

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton count	1 flat-packed chair kit per master carton
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.

Open-plan and executive workstations	Suitable for 8 hour desk work where breathable back support, swivel access and rolling mobility are required
Home office and study rooms	Fits a standard 1600 mm desk and users needing recline, height adjustment and compact five-star mobility

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 Black High-Back Mesh Ergonomic Office Chair with Headrest and Fixed Arms presents a professional task-seating solution with a structured, breathable appearance. Its tall black mesh back is held by a molded polymer perimeter frame featuring a central vertical spine and a lower lumbar opening, while the matching mesh headrest sits on a curved polymer housing and central support stem. Fixed one-piece T-post armrests with flat padded caps frame the seat, and the nylon-composite five-star base with twin-wheel casters gives the chair a stable, mobile footprint. The overall form is balanced for executive desks, open workstations, and home offices, with an all-black finish suited to neutral or modern interiors. Construction combines upholstered comfort with durable support components. The seat uses black woven fabric over 70 mm molded foam with a shaped waterfall front, and the finished cushion thickness is 90 mm. The backrest uses black elastic mesh stretched within the injection-molded polymer frame, producing a flexible surface and a defined 240 mm lumbar support zone without a separate adjustable pad. Armrests, the back frame, and the lumbar shell are black molded polymer, while the lifting assembly uses a black painted steel gas-lift column and steel mechanism plate. The base is nylon composite and includes twin-wheel casters. The chair has a 135 kg recommended user weight capacity, 45 kg per cubic meter seat foam density, and 16.5 kg net weight reference. Everyday adjustment is controlled from the seated position. A pneumatic lever raises the seat through an 80 mm stroke, covering seat heights from 460 to 540 mm. The synchronized tilt mechanism reclines to 18 degrees and includes rear-position tension and lock control. The headrest offers 50 mm of height adjustment and a 25-degree angle change. Swivel movement, rolling casters, and fixed arm support suit repeated desk interactions, while the clear width between armrests is 540 mm. Overall dimensions are 650 x 650 x 1280 mm. The chair is appropriate for open-plan and executive workstations used for up to 8 hour desk work, as well as home offices and study rooms with a standard 1600 mm desk. Buyers should plan for flat-packed delivery and assembly: the reference packaging is one set across two cartons, with packaged gross weight of 23 kg, carton volume of 0.26 cubic meters, and a reference assembly time of 40 minutes per set. Stated durability references include 100000 back-mesh flex cycles, caster rolling cycles, and gas-lift height-adjustment cycles, plus a seat slide static load of 680 kg downward and 150 kg at the front edge. The product is unbranded, model U-ERG-HB-MESH-01.

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

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