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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)	660 × 660 × 1290 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.

Recommended user weight capacity	150 kg
Net weight	18.5 kg
Back tilt range	90 to 125 degrees
Tilt lock positions	4 positions
Seat-height lift stroke	90 mm
Gas lift static axial rating	450 kg
Five-star base static load rating	1136 kg
Caster rolling durability	100000 cycles
Back structure durability	120000 cycles
Recommended daily usage duration	8 hours

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 and seat suspension	Black elastic woven mesh tensioned over an engineered-polymer frame
Frame material	Injection-molded black polymer back frame and seat shell with internal rib support
Lumbar structure	Curved polymer-framed flexible mesh lumbar panel connected to the back frame
Headrest	Breathable mesh face over a black polymer cushion shell and side adjustment bracket
Armrests	Height-adjustable black polymer arm posts with flat polymer elbow pads
Gas lift and mechanism	Chrome-plated steel gas lift, black steel center sleeve and multi-lever tilt mechanism

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Seat height adjustment	Pneumatic right-side lever raises and lowers the seat through a 90 mm stroke
Back recline and lock	Synchronized tilt mechanism reclines to 125 degrees and locks in 4 selected positions
Lumbar support	Curved independent lumbar panel flexes with the lower back and adjusts 50 mm vertically
Headrest adjustment	Curved headrest adjusts 80 mm vertically and pivots 25 degrees for neck support

PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Gross weight	20.5 kg
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

PRODUCT MODULE 06 / 06

Applications & Usage

Recommended spaces / users / usage modes

Data source: Recommended applications based on product form and category.

Office workstation	Suitable for individual desk work, computer tasks and 8-hour daily seating because it provides lumbar, head and arm support
Home study or shared workspace	Fits compact 1200 mm desks and hard-floor work areas where breathable mesh and mobile seating are required

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 16139 office seating	Use strength, durability and safety requirements for non-domestic seating during supplier testing
EN 1022 seating stability	Require forward, rearward and sideways stability verification on level hard flooring
EN 12528 casters	Specify swivel caster requirements for furniture on hard floor surfaces
EN 1335 dimensions	Use office chair dimensional and adjustment guidance when validating ergonomic fit

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1 office chairs	Applicable standards and test results require confirmation
BIFMA X5.1 caster durability	Require 100000 rolling cycles under the specified chair test load

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.3 furniture mechanical test	Apply strength and durability test requirements for seating used in office procurement
GB/T 3324 quality and inspection	Use general wooden furniture inspection rules only for any concealed board or wood-based components
GB 17927 furniture integrity	Specify no exposed sharp edges, stable structure and safe load-bearing during chair inspection

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 10357.3 furniture mechanical test: Apply strength and durability test requirements for seating used in office procurement;
2. GB/T 3324 quality and inspection: Use general wooden furniture inspection rules only for any concealed board or wood-based components;
3. GB 17927 furniture integrity: Specify no exposed sharp edges, stable structure and safe load-bearing during chair inspection;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The ERC-MESH-HB-01 is an unbranded high-back ergonomic office chair designed for supported desk work in commercial and residential settings. Its black engineered-polymer structure and elastic woven mesh create a streamlined, breathable appearance, with a tall backrest, contoured independent lumbar panel, curved headrest, and flat elbow pads forming a coordinated task-oriented profile. The five-star base, twin-wheel casters, and chrome gas lift give the chair a mobile office look while maintaining a compact overall footprint of 660 by 660 by 1290 mm. The backrest and seat use black elastic woven mesh tensioned over injection-molded polymer frames. The seat shell and back frame include internal rib support, while the cushion zones provide a finished seat thickness of 90 mm and backrest padding thickness of 70 mm. The lumbar area uses a curved polymer-framed flexible mesh panel attached to the back frame, with a support zone height of 240 mm. A breathable mesh headrest is mounted to a black polymer cushion shell and side adjustment bracket. Height-adjustable armrests use black polymer posts and flat pads, leaving 540 mm of clear width between the arms. User-facing controls support individualized seating. A right-side pneumatic lever raises and lowers the seat through a 90 mm lift stroke. The synchronized tilt mechanism reclines from an upright working angle to 125 degrees and can be secured in four selected positions. The independent lumbar panel flexes with the lower back and moves 50 mm vertically, while the headrest adjusts 80 mm in height and pivots 25 degrees for neck support. The chair has a recommended user weight capacity of 150 kg. This model is appropriate for individual office workstations, computer desks, home studies, and shared workspaces where lumbar, head, and arm support are priorities. Its mesh construction suits spaces that benefit from airflow, and its caster base supports movement across hard-floor work areas. The listed layout is also compatible with compact 1200 mm desks. Procurement teams should plan for one chair supplied across two cartons, with packaged gross weight of 23 kg per set and a reference carton volume of 0.26 cubic meters per set. Assembly time is listed at 40 minutes per set. Buyers should also review floor surface compatibility, available desk height, armrest clearance, adjustment needs, and the need to receive and store multiple parcels for each chair.

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

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