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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 × 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.

Chair net weight	18 kg
Maximum user weight	150 kg
Back dynamic load reference	136 kg
Seat static load reference	160 kg
Gas-lift rated load	150 kg
Caster rolling durability	100000 cycles
Back cyclic durability	120000 cycles
Seat-front edge load	75 kg
Color count	1
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 fabric	Breathable black mesh tensioned over a contoured polymer frame; grade and yarn need BOM confirmation
Seat upholstery	Black woven fabric over an 80 mm padded cushion; abrasion grade is not visible
Seat foam	Molded polyurethane foam with a 45 kg/m3 procurement density target
Frame and arm supports	Injection-molded black engineering polymer with integral arm posts
Internal back support	Black polymer lumbar cradle and Y-shaped back reinforcement visible through mesh
Base and lifting parts	Nylon composite five-star base, steel gas-lift column and steel tilt plate

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 90 mm travel operated by the right-side paddle
Recline and lock	Synchronized seat-and-back tilt from 95 to 125 degrees with multi-position lock and tension knob
Arm adjustment	Height-adjustable T-arms with 80 mm vertical travel and padded elbow surfaces
Mobility	360-degree swivel seat on five double-wheel casters for carpet and hard-floor movement

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	850 x 650 x 330 mm
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 workstation use	Suited to daily desk work where mesh ventilation, head support and adjustable arms are needed for 8-hour shifts
Home office and managerial workstations	Fits professional or home offices requiring a compact black swivel chair on hard floors or carpet

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

Office chair safety applicability	EN 1335:2020
Mechanical durability applicability	EN 1335:2009
Upholstery fabric abrasion	EN 14465:2003

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Task chair safety applicability	ANSI/BIFMA X2017(R2022)
Formaldehyde applicability	ANSI/BIFMA e2019e

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair safety applicability	GB/T 28004.1:2021
Formaldehyde emission applicability	GB 18580:2017
Textile safety applicability	GB 18401:2010 Category B

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair safety applicability: GB/T 28004.1:2021;
2. Formaldehyde emission applicability: GB 18580:2017;
3. Textile safety applicability: GB 18401:2010 Category B;
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 Task Chair with Headrest and Adjustable Arms, model EMH-HB-01, is a professional seating solution for users seeking back support, ventilation, and customized positioning during extended desk work. Presented in a coordinated black finish, the chair combines a high mesh backrest, integrated headrest, contoured seat, and T-shaped armrests within a streamlined task-chair form. Its open mesh back reveals a shaped polymer lumbar cradle and Y-shaped internal reinforcement, giving the backrest a structured appearance while maintaining visual lightness. The five-star base and twin-wheel casters complete the familiar swivel-office-chair layout. Construction centers on a black engineered polymer frame with integral arm supports, a breathable black mesh back, and a black woven-fabric seat over molded polyurethane cushioning. The finished seat cushion thickness is 90 mm, while the backrest padding thickness is 70 mm. Support and movement components include a steel gas-lift column, steel tilt plate, nylon composite five-star base, and double-wheel casters. Buyers should note that mesh grade and yarn require bill-of-materials confirmation, seat-fabric abrasion grade is not specified, and the 45 kg per cubic meter seat-foam value is a procurement density target. The chair is designed for practical daily adjustment. A right-side paddle controls pneumatic seat-height movement with 90 mm of travel. The synchronized seat-and-back tilt reclines from 95 to 125 degrees, offers multi-position locking, and includes a tension knob for regulating recline resistance. Height-adjustable T-arms provide 80 mm of vertical adjustment and padded elbow surfaces, with 540 mm of clear width between armrests. The 240 mm lumbar support zone adds targeted back contact, while 360-degree swivel and five double-wheel casters support movement across carpet or hard floors. The chair has a net weight of 18 kg and a maximum user weight of 150 kg. This model is suitable for open-plan offices, individual workstations, home offices, and managerial desks where a compact black swivel chair is required. It is particularly appropriate for daily desk tasks that benefit from mesh ventilation, head support, and adjustable arm positioning during 8-hour shifts. For procurement planning, the product is unbranded and supplied as one set across two cartons, with a packaged gross weight of 23 kg per set and a reference carton volume of 0.26 cubic meters per set. Assembly time is referenced at 40 minutes per set. Purchasers should confirm material grades, testing documentation, replacement parts, warranty terms, and delivery packaging before finalizing volume orders.

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

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