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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)	670 × 670 × 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 static load capacity	150 kg
Net weight	18.5 kg
Seat height lift stroke	90 mm
Back tilt range	120degrees
Back tilt lock positions	3 positions
Recommended daily use duration	8 hours
Seat foam density	45 kg/m3
Seat foam rebound	40%
Fabric abrasion acceptance	50,000 cycles
Caster rolling durability	100,000 cycles

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 flexible polyester mesh stretched over a contoured black polymer frame
Seat cushion cover	Charcoal-gray woven textile over a rounded padded seat shell
Seat cushion core	Molded high-resilience polyurethane foam, 80 mm thick
Armrests	Black injection-molded support posts with soft polyurethane pads and polymer adjustment housings
Internal seat frame	15 mm molded polymer seat pan with steel reinforcement plate under the mechanism
Back frame	Black polymer outer frame with flexible mesh suspension and built-in lumbar curve

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustment	Pneumatic lever raises and lowers the seat through a 90 mm stroke between 450 mm and 540 mm floor-to-seat height
Recline control	Synchro-tilt mechanism allows the back to move through a 30-degree recline arc with seat and back moving in coordinated ratio
Tilt lock and tension	Multi-position lock secures the recline angle, while the front rotary knob sets tilt resistance for users up to 150 kg
Arm adjustment	3D armrests provide 70 mm height lift, 30 mm seat-width slide and 20-degree pad rotation for keyboard and mouse posture

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Carton dimensions	800 x 650 x 360 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.

Office workstation use	Suited to individual desks, bench workstations and focus-task seating where head, lumbar and arm support are needed during 8-hour computer work
Commercial and home-office deployment	Suitable for open offices, meeting rooms, executive workstations and home offices on hard floors or low-pile carpet

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 a black task seating solution designed for sustained desk work. Model ERG-MH-670-BLK is offered without a brand label and presents a structured, professional silhouette with a tall mesh back, integrated head support, padded seat, and five-star base. Its overall dimensions are 670 by 670 by 1290 millimeters, with 540 millimeters of clear width between the armrests, giving the chair a balanced footprint for individual workstations. Visual support comes from the black flexible polyester mesh back stretched over a contoured black polymer frame. The mesh creates a breathable suspension surface, while the built-in lumbar curve defines a 240-millimeter lumbar support zone. The seat uses charcoal-gray woven fabric over a rounded padded shell, contrasting with the black frame, armrests, base, and casters. The finished cushion is 90 millimeters thick, including an 80-millimeter molded high-resilience polyurethane foam core with a 45 kilogram per cubic meter foam density. Backrest padding is 70 millimeters thick. Construction combines molded polymer components with reinforcing steel. The internal seat frame uses a 15-millimeter molded polymer seat pan and a steel reinforcement plate beneath the mechanism. Armrests have black injection-molded support posts, soft polyurethane pads, and polymer adjustment housings. The chair also uses a molded internal frame, black nylon five-star base, dual-wheel nylon casters, and a steel gas-lift tube. Its net weight is 18.5 kilograms, and the recommended static load capacity is 150 kilograms. Functionality is centered on adjustability for computer-based tasks. A pneumatic lever controls seat height through a 90-millimeter lift stroke, setting floor-to-seat height between 450 and 540 millimeters. The synchro-tilt mechanism coordinates seat and back movement through a 30-degree recline arc, while the backrest supports a 120-degree back tilt range. Users can select three tilt lock positions and adjust resistance with the front rotary knob. The 3D armrests provide 70 millimeters of height adjustment, 30 millimeters of width slide, and 20-degree pad rotation to support keyboard and mouse posture. The chair is appropriate for individual desks, bench workstations, focus-task seating, open offices, meeting rooms, executive workstations, and home offices. It is suited to hard floors or low-pile carpet and recommended for eight hours of daily use. Procurement teams should plan for one set delivered in two cartons, 23 kilograms packaged gross weight, 0.26 cubic meter total carton volume, and 40 minutes assembly time per set.

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

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