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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)	625 × 620 × 1075 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.

Net weight	13 kg
Maximum static user load	136 kg
Gas lift height adjustment stroke	100 mm
Recommended daily usage duration	8 hours
Caster rolling durability	40000 cycles
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
Five-star Base Static Load Reference	Acceptance target ≥120 kg; chair reference load 150 kg
Gas-lift Cycling Reference	Acceptance target 100000 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 upholstery	Tensioned breathable polyester mesh
Seat cushion core	40 kg/m³ density molded polyurethane foam
Armrest construction	Glass-fiber reinforced polypropylene fixed loop armrests
Back frame	Two-tone gray reinforced polypropylene outer frame
Five-star base	Nylon 66 reinforced five-prong base
Height adjustment gas lift	Class 3 carbon steel gas lift
Casters	50 mm diameter black nylon twin-wheel casters
Seat underside mechanism	2.5 mm thick steel tilt chassis
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame
Tilt Mechanism Plate Thickness	2.5 mm cold-rolled steel
Five-star Base Material Thickness	Metal base wall 3.5 mm; diameter 700 mm

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic height adjustment via side lever, 100 mm total stroke
Swivel function	360-degree infinite swivel rotation around central gas lift axis
Lumbar support	Fixed contoured dual-lobed lumbar support integrated into mesh back
Tilt function	Synchro tilt with tension adjustment, 12-degree maximum backward recline
Mobility feature	Five dual-wheel casters for smooth rolling on carpet and hard floors
Armrest function	Fixed height loop armrests supporting forearm weight during seated work
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg
Rotation / Mobility Configuration	360° swivel with 5-caster multidirectional movement

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.

Open plan office workstations	Suitable for employee workstations with standard 1200 mm desk depth
Home office work spaces	Ideal for home office use in small study areas
Conference and meeting rooms	Appropriate for meeting room seating requiring frequent repositioning
Training room applications	Suitable for training environments requiring flexible seating arrangement
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

Applicable office chair safety standard	EN 1335:2020
Applicable dimensional standard	EN 1335:2009

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Applicable chair durability standard	ANSI/BIFMA X2017

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Applicable stability standard	GB/T 10357.2
Applicable strength standard	GB/T 10357.3

Standardized tender description text

This product must meet the following technical requirements:
1. Applicable stability standard: GB/T 10357.2;
2. Applicable strength standard: GB/T 10357.3;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

This mid-back ergonomic mesh office task chair delivers balanced support and versatile functionality for daily seated work across commercial and residential settings. Presenting a streamlined, professional silhouette, the chair features a contoured tensioned mesh back framed by two-tone gray reinforced polypropylene, paired with a generously padded molded foam seat. Fixed glass-fiber reinforced polypropylene loop armrests sit at a consistent height, creating a clear open width between supports that accommodates a range of user positions, while the nylon five-prong base sits low to the ground for a stable, unobtrusive visual profile that blends with most interior design schemes.
Built for consistent long-term use, the chair’s construction prioritizes durability and breathable comfort. The backrest uses tensioned breathable polyester mesh over a reinforced plastic frame, integrating a fixed contoured dual-lobed lumbar support zone aligned to the natural curve of the lower back. The seat is constructed with a molded polyurethane foam core supported by a thick bent plywood internal board, upholstered for soft, resilient support across hours of use. A Class 3 carbon steel gas lift connects to a thick steel tilt chassis, mounted to the reinforced nylon base fitted with black nylon twin-wheel casters designed to roll smoothly across both carpet and hard flooring surfaces.
Core functional features support flexible, comfortable seated work. Users can adjust seat height via a conveniently placed side lever, with a smooth pneumatic travel range to align with varied desk heights. The chair offers 360-degree infinite swivel rotation, plus a synchro tilt mechanism with adjustable tension that allows a controlled backward recline, with three suggested lock positions to secure preferred seating angles. The fixed armrests provide stable forearm support during typing, writing, or screen-based tasks.
This chair is well suited for open plan office workstations, where it pairs effectively with standard depth work desks, as well as compact home office spaces in small study areas. It also works reliably in conference rooms that require frequent seating repositioning, and training rooms where flexible, easy-to-move seating arrangements are needed. For executive settings, it is a suitable match for full-size executive desks.
Procurement teams and individual buyers should note that the chair ships across two cartons per set, with an assembly time of 40 minutes per unit. The recommended daily usage duration is 8 hours, with a published maximum static user load to guide deployment. For bulk orders, 20GP container loading capacity is available to inform logistics planning, and units are sold as unbranded models to coordinate with flexible facility furnishing standards.

Mid-Back Ergonomic Mesh Office Task Chair with Adjustable Height Specifications

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