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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)	690 × 690 × 1260 mm
Seat width	490 mm
Seat depth	500 mm
Seat height range (adjusted)	550 mm
Backrest height	700 mm
Headrest dimensions	320 x 180 mm
Armrest height (from seat)	110 mm
5-star base diameter	350 mm
Caster diameter	65 mm
Armrest-to-armrest width	660 mm
Seat cushion thickness	80 mm
Lumbar support protrusion	30 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.

Maximum static load capacity	159 kg
Net chair weight	19 kg
Recommended user weight	136 kg
Swivel rotation range	360°
Recline angle range	126°
Tilt lock positions	3 positions
Gas lift stroke length	100 mm
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³
Upholstery Thickness / Abrasion Reference	1.4 mm / 50000 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 covering	High-elastic breathable polyester mesh
Seat cushion fill	45 kg/m³ high-density polyurethane foam
Seat upholstery	Wear-resistant breathable mesh fabric
Armrest pads	Soft-touch polyurethane padding
Armrest support structure	Reinforced glass-fiber nylon
5-star base	2.5 mm thick polished silver die-cast aluminum
Gas lift cylinder	Class 3 50 mm diameter black steel
Tilt mechanism	3 mm thick stamped steel chassis
Caster wheels	Dual-wheel polyurethane with black nylon housing
Headrest fill and covering	Elastic mesh over curved plastic frame
Lumbar support pad	Curved mesh-covered contoured plastic
Seat pan inner frame	12 mm thick molded plywood

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Headrest adjustment	2D height and angle adjustment with 50 mm vertical travel
Lumbar support adjustment	2D height and depth adjustment with 55 mm vertical travel
Armrest adjustment	Height adjustment with 40 mm vertical travel and 15° pivot
Seat height adjustment	Pneumatic gas lift adjustment operated by side lever
Tilt function	Synchronized seat and back recline with tension adjustment via red knobs
Tilt lock function	3-position recline lock at 90°, 110°, and 126°
Mobility function	Omnidirectional rolling on 5 dual-wheel casters
Swivel function	360° full rotation around central gas lift axis
Tilt tension adjustment	User-adjustable recline resistance via rotating red control knobs
Waterfall seat edge	Contoured front seat edge to reduce leg pressure
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg

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
Indicative 40HQ Loading	320 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.

Private office workspace	Suitable for individual workstations requiring 8+ hour daily seated support
Home office setup	Ideal for remote work desks with 760 mm standard work surface height
Open plan office task seating	Suitable for shared work zones with smooth-rolling casters for easy movement
Conference room seating	Appropriate for meeting spaces requiring adjustable comfort for 2 hour sessions
Coworking space allocation	Durable construction suits high-turnover shared work environments
IT/design studio workstations	Breathable mesh back supports extended focused work for creative and technical roles
Recommended Matching Desk Size	2.4 m executive desk
Reference Daily Use Duration	8 hours/day; confirm by ergonomic testing

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Applicable standard for office work chair dimensional and safety requirements
EN 1335-2:2018	Applicable standard for office chair strength, durability and stability performance
EN 1021-1:2014	Applicable standard for upholstered furniture cigarette ignition resistance testing

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable standard for general-purpose office chair safety and performance requirements
Caster rolling durability	100000 cycles

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applicable standard for office furniture chair dimensional accuracy and stability requirements
GB/T 38609-2020	Applicable standard for ergonomic office chair performance test methods for seating
GB 18584-2001	Applicable standard for indoor furniture formaldehyde emission limit requirements

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applicable standard for office furniture chair dimensional accuracy and stability requirements;
2. GB/T 38609-2020: Applicable standard for ergonomic office chair performance test methods for seating;
3. GB 18584-2001: Applicable standard for indoor furniture formaldehyde emission limit requirements;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Grey High-Back Mesh Ergonomic Office Chair with Adjustable Headrest and Lumbar Support, model ERG-MSH-GRY-01, is an unbranded task seating solution built to deliver consistent, tailored comfort across a range of work environments. Visually, the chair features a streamlined, contemporary silhouette anchored by a polished silver 5-star base, neutral grey mesh and upholstery tones, and clean structural lines that complement modern interior design schemes without visual clutter. Its measured dimensions are calibrated to align with standard desk configurations, with a 700 mm tall backrest, proportioned 320 x 180 mm headrest, and evenly spaced caster layout to balance a stable footprint with unobtrusive placement around workstations. Construction prioritizes durability and long-term comfort across high-use settings. The backrest is wrapped in high-elastic breathable polyester mesh, while the seat combines 45 kg/m³ high-density polyurethane foam fill with wear-resistant breathable mesh upholstery. Armrests feature soft-touch polyurethane padding supported by reinforced glass-fiber nylon structures, set 110 mm above the seat surface. The 2.5 mm thick polished silver die-cast aluminum 5-star base supports a Class 3 50 mm diameter black steel gas lift, 3 mm thick stamped steel tilt chassis, and dual-wheel polyurethane casters with black nylon housings. The chair has a net weight of 19 kg, supports a maximum static load of 159 kg, and is rated for a recommended user weight of 136 kg. Functional design is centered on customizable ergonomic support. The headrest offers 2D height and angle adjustment with 50 mm of vertical travel, while the lumbar support provides 2D height and depth adjustment with 55 mm of vertical travel to align with individual spinal contours. Armrests adjust 40 mm vertically with a 15° pivot range, and seat height is modified via a side-lever operated pneumatic gas lift with 100 mm of stroke. The synchronized tilt mechanism enables 360° swivel, 126° of recline, tension adjustment via red control knobs, and three lockable recline positions at 90°, 110°, and 126°, while omnidirectional dual-wheel casters support smooth movement across floor surfaces. This chair is suited for private office workstations supporting 8+ hours of daily seated work, home office setups paired with 760 mm standard height work surfaces, open plan office shared task zones, conference rooms for 2 hour meeting sessions, high-turnover coworking spaces, and IT or design studio workstations where extended focused work is common. For procurement, note that each unit ships across 2 cartons with a total packaged gross weight of 23 kg and total carton volume of 0.26 m³, requires 40 minutes of assembly per set, and fits 135 units per 20GP container at 85% space utilization to support bulk order planning.

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

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