Name: Ergonomic High-Back Mesh Office Chair with Adjustable Headrest
Brand: Bolongkeli Smart Furniture
SKU: M249HW

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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)	680 × 680 × 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.

Product net weight	18 kg
Maximum static user weight capacity	150 kg
Recommended daily use duration	8 hours
Gas lift cycle rating	100000 cycles
Caster rolling durability	60000 cycles
Seat foam density	45 kg/m³
Mesh fabric abrasion resistance	50000 Martindale cycles
Seam stitch pitch	3 mm
Seat Foam Density / Rebound Reference	45 kg/m³ / 65%
Back Foam Density Reference	38 kg/m³

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	Breathable polyester mesh
Seat surface upholstery	Woven polyester fabric over foam cushion
Cushion core	High-density polyurethane foam
Structural frame (back/arm support)	Reinforced glass-fiber nylon
Height adjustment gas lift	Chromed steel with Class 3 safety rating
Five-star base	Injection-molded reinforced nylon
Casters	Polyurethane tread with nylon hub
Height adjustment lever	Reinforced nylon
Back support pads	Fabric-wrapped foam over rigid plastic backing
Headrest pad	Fabric-wrapped foam
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.

Seat height adjustment	100 mm vertical travel via side lever
360-degree swivel rotation	Full rotation around central gas lift axis
Backrest tilt function	15-degree recline with tension adjustment
Dual-zone back support	Separate adjustable lumbar and thoracic padded panels
Smooth rolling mobility	5 dual-wheel casters for multi-surface movement
Fixed contoured armrests	Curved arm support surfaces positioned at desk height
Stable weight distribution	Five-star base geometry with 340 mm leg radius
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	Designed for full-shift employee use with breathable back support for long seated periods
Home office setups	Compact footprint fits standard home desks with neutral light gray aesthetic for residential spaces
Conference/meeting rooms	Swivel and mobility features support collaborative discussion and repositioning during meetings
Task-focused work areas	Ergonomic support reduces fatigue during extended computer work, writing or document review
Executive private offices	Polished light gray finish pairs with modern executive desks for a professional appearance
Co-working spaces	Durable upholstery and stable construction supports frequent use by rotating users
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	Applies to office chair dimensional and functional safety requirements for work chairs
EN 1335-2:2018	Applies to structural strength and durability testing requirements for office task chairs
EN 1335-3:2018	Applies to test methods for verifying office chair safety and performance

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applies to general purpose office chair safety, durability and structural performance requirements
ANSI/BIFMA X5.11-2015	Applies to enhanced load capacity testing for heavy-user office seating up to 159 kg

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applies to dimensional measurement of office chair seating and structural components
GB/T 3324-2017	Applies to general technical requirements for wooden/metal office furniture durability
GB 28007-2011	Applies to safety requirements for swivel office chairs for adult use

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applies to dimensional measurement of office chair seating and structural components;
2. GB/T 3324-2017: Applies to general technical requirements for wooden/metal office furniture durability;
3. GB 28007-2011: Applies to safety requirements for swivel office chairs for adult use;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

GENERATED EXPORTS

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PDF · OFCH-ERG-001-GRY

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Product Description

The Ergonomic High-Back Mesh Office Chair with Adjustable Headrest (model OFCH-ERG-001-GRY) from Bolongkeli Smart Furniture features a streamlined light gray silhouette defined by a tall open mesh backrest, fixed contoured armrests curved to match standard desk heights, and a wide five-star base fitted with dual-wheel casters. Its layout delivers a 540 mm clear width between armrests, a 240 mm tall lumbar support zone, and balanced proportions that hold an overall dimension of 680 x 680 x 1220 mm, creating a functional profile that avoids excess visual bulk. The chair’s construction prioritizes durability and long-term comfort across regular use. Its backrest is upholstered in breathable polyester mesh, while the seat surface uses woven polyester fabric over a 90 mm thick high-density polyurethane foam cushion with 45 kg/m³ density. The backrest includes 70 mm thick padding, with fabric-wrapped foam support pads mounted on rigid plastic backing. The structural frame for the back and arm supports, height adjustment lever, and five-star base are built from reinforced glass-fiber nylon or injection-molded reinforced nylon. The Class 3 safety-rated height adjustment gas lift uses chromed steel, and casters combine a polyurethane tread with nylon hubs for quiet movement. Functional features are engineered for full-shift use, supporting a maximum static user weight of 150 kg for recommended daily use of 8 hours. Users can adjust seat height across 100 mm of vertical travel via a side lever, rotate 360 degrees around the central axis, and recline the backrest 15 degrees with adjustable tension control. Dual-zone adjustable lumbar and thoracic support panels provide targeted back support, while the five-star base’s 340 mm leg radius ensures stable weight distribution, and 5 dual-wheel casters enable smooth movement across multiple floor surfaces. This chair is suited for open-plan office workstations, home office setups, conference and meeting rooms, task-focused work areas, executive private offices, and co-working spaces, pairing a neutral aesthetic with comfort for both dedicated and rotating users. For procurement, note that each unit ships in 2 cartons with a packaged gross weight of 23 kg per set, requires 40 minutes of assembly per unit, and allows 135 sets to be loaded in a 20GP container at 85% space utilization, supporting efficient large-scale deployment.

Ergonomic High-Back Mesh Office Chair with Adjustable Headrest Specifications

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