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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	12 kg
Maximum static load capacity	120 kg
Seat height adjustment travel	100 mm
Recommended user weight	110 kg
Caster rolling durability	40000 cycles
Gas lift cycle rating	60000 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

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	Black breathable woven polyester mesh
Seat cushion core	High-density polyurethane foam
Seat upholstery	Black abrasion-resistant woven fabric
Backrest frame	Injection-molded matte black nylon
Armrests	Integral fixed-loop matte black nylon
Lumbar support	Molded contoured black foam pad
Height adjustment mechanism	Class 3 black powder-coated steel gas lift
Five-star base	Injection-molded matte black nylon
Casters	Dual-wheel black hard nylon, 50mm diameter
Tilt control chassis	2.5mm thick stamped steel with black powder coat
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board
Backrest Internal Frame Thickness	14 mm bent plywood/composite reinforced frame

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel rotation	Full rotation enabled by central gas lift and base, no rotational stops
Pneumatic seat height adjustment	100mm vertical travel, actuated by side lever under seat, locks at set height
Backrest tilt recline	12-degree maximum recline angle, lockable in upright position via chassis lever
Fixed armrest support	70mm wide arm surface, provides static forearm support without height or pivot adjustment
Contoured lumbar support	Curved lower back pad aligns with natural lumbar curve for seated postural support
Smooth caster mobility	Twin-wheel casters roll on hard floors and low-pile carpet, swivel independently per wheel
Weight-activated tilt tension	Automatic tension adjustment for user weight up to 110kg, no manual tension knob required
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	Compact footprint fits standard 1200mm desk cubicles without excessive space use
Home office and study spaces	Mid-back design provides lumbar support for daily remote work and study sessions
Conference and meeting rooms	Uniform black finish and swivel function suit shared meeting room seating arrangements
Reception and visitor areas	Low-profile design does not obstruct reception sightlines, easy to move on casters
Computer gaming and study desks	Breathable mesh back prevents heat buildup during extended seated computer use
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

Office furniture safety standard	EN 1335:2000
Office chair caster durability standard	EN 12529:1998
Office furniture fire resistance standard	EN 1021:2014

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

Office chair general purpose standard	ANSI/BIFMA X2017
Office chair base load standard	ANSI/BIFMA X5.1 Test 5

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

Office chair stability standard	GB/T 10357.2
Office chair strength and durability standard	GB/T 10357.3
Formaldehyde emission limit standard	GB 18584

Standardized tender description text

This product must meet the following technical requirements:
1. Office chair stability standard: GB/T 10357.2;
2. Office chair strength and durability standard: GB/T 10357.3;
3. Formaldehyde emission limit standard: GB 18584;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Ergonomic Mid-Back Mesh Office Chair with Adjustable Height (model OFM-M016, unbranded office task chair) presents a streamlined, cohesive matte black visual profile suited to a wide range of interior settings. Its mid-back structure features a curved, contoured lower back support zone, paired with fixed loop armrests that sit evenly on either side of the seat, and a five-star base mounted on dual-wheel casters for a balanced, functional layout that does not overwhelm surrounding furniture. The chair is constructed for consistent daily use, with a breathable woven polyester mesh backrest set in an injection-molded matte black nylon frame. Its seat uses a high-density polyurethane foam core upholstered in abrasion-resistant black woven fabric, with a molded contoured black foam pad positioned to support the natural curve of the lower back. The fixed armrests are formed from integral matte black nylon, while the height adjustment system uses a Class 3 black powder-coated steel gas lift connected to an injection-molded matte black nylon five-star base fitted with dual-wheel hard nylon casters. Core functional features support flexible, comfortable seated use: the chair enables full 360-degree swivel rotation without rotational stops, offers pneumatic seat height adjustment actuated by a side lever under the seat that locks securely at the selected height, and includes a backrest tilt function with a maximum recline angle that can be locked in the upright position via a chassis lever. The fixed armrests provide stable static forearm support, while weight-activated tilt tension adjusts automatically for users without requiring manual adjustment. The twin-wheel casters roll smoothly across hard floors and low-pile carpet, with each wheel swiveling independently for easy repositioning, and the mesh backrest allows consistent air flow to reduce heat buildup during extended periods of sitting. This chair is well suited for open-plan office workstations, where its compact footprint fits standard desk cubicles without taking excess space, as well as home office and study spaces for daily remote work and study sessions. It works effectively in conference and meeting rooms thanks to its uniform finish and swivel function for shared seating arrangements, and in reception and visitor areas where its low-profile design avoids obstructing sightlines. It is also appropriate for use at computer gaming and study desks for extended seated sessions, and pairs well with executive desk setups. For procurement planning, note that each chair ships across two cartons, with an assembly time per unit that supports efficient bulk setup for commercial projects. The chair supports a maximum static load suitable for general office use, with component durability ratings aligned to regular daily seating demands. Buyers should account for packaged weight and volume when planning shipping and storage, and can reference 20GP container load quantities for large-scale orders.

Ergonomic Mid-Back Mesh Office Chair with Adjustable Height Specifications

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