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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)	650 × 650 × 1220 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	18 kg
Rated user weight	150 kg
Gas-lift dynamic lift capacity	150 kg
Back structure static load target	200 kg
Caster rolling durability	100000 cycles
Seat foam density	45 kg/m3
Seat foam rebound	40%
Fabric abrasion resistance	50000 Martindale cycles
Recommended daily occupancy	8 hours per user
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 support surface	Black flexible woven mesh tensioned over a framed back support
Back frame	Injection-molded black polymer outer frame with internal molded reinforcement ribs
Seat cushion	Molded polyurethane foam at 80 mm thickness under black woven upholstery
Seat support shell	12 mm polymer or plywood-composite inner seat board with metal mounting plates
Headrest pad	Black mesh or fabric-covered padded cushion attached to a height-adjustable stem
Armrest pads	80 x 250 mm black polymer soft-touch pads on vertical adjustable supports
Central gas lift	50 mm diameter chrome-plated steel telescopic cylinder with black telescopic shroud
Casters	Five black twin-wheel swivel casters with polymer wheels and metal mounting stems
Tilt mechanism	Black steel plate mechanism under the seat with paddle-style adjustment lever
Frame surface finish	Black powder-coated or molded black finish on structural components
Seam construction	Upholstered seat perimeter seam at 8 stitches per 100 mm
Seat Internal Support Board Thickness	14 mm bent plywood or equivalent support board

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic lever raises or lowers the seat through 100 mm of gas-lift travel for 540 mm desk use
Swivel function	360-degree rotational swivel around the central gas lift for full workstation access
Back recline	Synchro-style tilt allows the backrest to recline to 125 degrees with proportional seat movement
Tilt tension control	Rotary under-seat knob adjusts backward resistance for users up to 150 kg
Tilt lock	Multi-position lock enables upright work lock and one reclined locked position
Headrest adjustment	Height-and-angle headrest with 80 mm vertical travel and 25-degree pivot for neck support
Armrest adjustment	Height-adjustable T-arm system with 80 mm lift travel and fixed horizontal pads
Mobility	Five 60 mm twin-wheel casters provide rolling mobility and 360-degree caster rotation
Lumbar support	Curved central lumbar zone integrated into the mesh back for lower-back contact
Rocking resistance	Tension spring rated for repeated recline cycles with user-weight calibration
Occupancy configuration	Single-user swivel task chair intended for seated desk work rather than multi-seat or lounge use
Back recline angle	125 degrees from upright working position

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Export carton dimensions	680 x 640 x 340 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
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 workstation	Suitable for executive or staff desks because the high back, headrest, and armrests support long computer tasks
Home office	Fits a 1600 mm desk space where black neutral upholstery and ventilated mesh are required
Open-plan office	Suited to shared desk neighborhoods requiring quiet swivel access, mobility, and standardized black seating
Meeting or focus room	Appropriate for individual seating in project rooms, focus booths, or daily 8-hour discussion work
Hot-desking environment	Usable by multiple workers because seat height, recline, arms, and headrest can be reset between users
Hard-floor and carpeted work areas	Requires floor-specific caster selection; soft-wheel casters for hard floors and hard-wheel casters for carpet
Recommended desk pairing	Pair with 760 mm high desks and keyboard surfaces aligned to the 540 mm seat-height range
User profile	Designed for adults requiring lumbar, neck, forearm, and mobile support during computer-based work

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1 office furniture seating	Use for dimensions and determination of seating safety boundaries
EN 1335-2 office furniture seating	Applicable standards and test results require confirmation
EN 1335-3 office furniture seating	Use for test methods covering strength, durability, and stability
EN 1021-1 upholstered furniture flammability	Use for cigarette-ignition assessment if fabric and foam are specified as upholstered components

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs	Use as commercial seating acceptance reference for strength, durability, stability, and swivel cycling
BIFma e3 level sustainability	Use only if supplier provides documented material, chemical, and recyclability evidence

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.2 furniture mechanical test	Apply to chair backrest strength and durability during procurement inspection
GB/T 10357.3 furniture mechanical test	Apply to seat and front-edge static and fatigue load verification
GB/T 28004.2 office furniture quality standard	Use for office-chair dimensional stability, safety, and performance acceptance

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.2 furniture mechanical test: Apply to chair backrest strength and durability during procurement inspection;
2. GB/T 10357.3 furniture mechanical test: Apply to seat and front-edge static and fatigue load verification;
3. GB/T 28004.2 office furniture quality standard: Use for office-chair dimensional stability, safety, and performance acceptance;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Black High-Back Mesh Ergonomic Office Chair with Headrest is an unbranded seating solution with a structured, professional appearance suited to private offices, home workspaces, open-plan areas, meeting rooms, focus booths, and hot-desking environments. Its black finish and tall mesh back create a neutral visual profile, while the headrest, T-shaped armrests, contoured seat, and five-star base establish a conventional ergonomic layout. Overall dimensions are 650 by 650 by 1220 mm, with a clear width of 540 mm between the armrests. The chair weighs 18 kg and is supplied as one set in two cartons, with reference assembly time of 40 minutes. Its packaged gross weight is 23 kg and reference carton volume is 0.26 cubic meters per set. The backrest uses black flexible woven mesh tensioned over an injection-molded black polymer frame with internal reinforcement ribs. The high-back structure includes a 240 mm lumbar support zone and 70 mm of backrest padding thickness, balancing open support with a framed, stable form. The headrest is a black mesh or fabric-covered padded cushion mounted on a height-adjustable stem. The seat features molded polyurethane foam, with 80 mm of foam beneath black woven upholstery and a finished cushion thickness of 90 mm. Its foam density is 45 kg per cubic meter with 40 percent rebound. Beneath the seat is a 12 mm polymer or plywood-composite inner board with metal mounting plates. Adjustment features support extended computer tasks and changing users. A paddle lever controls the chrome-plated steel gas lift, providing 100 mm of seat-height travel for 540 mm desk use. The chair rotates 360 degrees, while the synchro-style tilt mechanism allows the backrest to recline to 125 degrees with proportional seat movement. An under-seat knob controls tilt resistance for users up to 150 kg, and the multi-position lock offers an upright working position plus one locked reclined position. The headrest moves through 80 mm of vertical travel and pivots 25 degrees, while the height-adjustable armrests provide 80 mm of lift using fixed 80 by 250 mm soft-touch polymer pads. Durability details include a 150 kg rated user weight, 150 kg gas-lift dynamic lift capacity, 200 kg back structure static load target, and twin-wheel casters tested to 100000 rolling cycles. The 50 mm central cylinder is chrome-plated steel with a black shroud, and the base is available in nylon or metal. Procurement planners should select casters by floor type: soft-wheel casters for hard floors and hard-wheel casters for carpet. The two-carton packaging and 40-minute assembly time should also be included in installation planning.

Black High-Back Mesh Ergonomic Office Chair with Headrest Specifications

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