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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 × 700 × 1320 mm
Adjustable seat height range	540 mm
Seat cushion size (W x D)	500 x 480 mm
Seat foam thickness	86 mm
Backrest height (seat to headrest top)	820 mm
Headrest dimensions (W x H)	320 x 180 mm
Fixed armrest height (above seat)	220 mm
Five-star base diameter	350 mm
Caster diameter	50 mm
Lumbar support zone height	280 mm
Backrest mesh panel thickness	3 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 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 maximum user weight	136 kg
Net weight	17 kg
Five-star base static load capacity	1136 kg
Caster rolling durability	300000 cycles
Applicable user count	1 person
Backrest recline maximum angle	130 degrees
Seat swivel range	360 degrees
Warranty period	5 years
Net chair weight	17 kg
Seat cushion dynamic load durability	120000 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 panel	Tensioned black polyester mesh with PP internal support ribs
Seat cushion core	35# high-density molded polyurethane foam
Seat upholstery	Black woven polyester fabric over foam, water-resistant surface
Armrests	Fixed PA (nylon) loop armrests with padded top contact surfaces
Five-star base	Polished chrome-plated 2.5mm thick steel five-spoke base
Gas lift cylinder	Class 3 BIFMA/SGS certified steel pneumatic gas lift, 50mm diameter, 130mm stroke
Chair mechanism	2.5mm thick steel butterfly tilt chassis with tension adjustment
Casters	Black nylon dual-wheel non-marking swivel casters
Internal seat frame	12mm thick plywood support board under seat cushion
Frame trim components	Black injection-molded PP plastic backrest frame and edge trim
Chair tilt mechanism	2.5mm thick steel butterfly tilt chassis with tension adjustment knob
Headrest padding	25kg/m³ density polyurethane foam with fabric upholstery

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Pneumatic seat height adjustment	Up/down lever control under seat, 130mm lift travel to match 760 mm desk heights
Backrest tilt and lock function	Lockable recline up to 130 degrees with adjustable tilt tension knob
360-degree swivel rotation	Full rotation around vertical axis enabled by central swivel joint
Integrated segmented lumbar support	Fixed horizontal rib structure providing contoured lower back pressure relief
Padded fixed headrest support	Contoured padded headrest providing static neck support for upright and reclined postures
Fixed padded armrest support	Curved loop armrests providing static elbow support during typing and seated tasks
Rolling mobility function	Dual-wheel casters enabling smooth movement across hard floors and low-pile carpet
Tilt tension adjustment	Knob control to set recline resistance matching user body weight
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 workstation use	Suitable for staff and executive desks with 760 mm work surface height
Private executive/manager office use	High-back profile provides back and neck support for long duration seated work
Home office workspace use	Compact footprint fits residential study and home work areas without excessive space use
Conference meeting room use	Professional appearance suitable for meeting rooms and collaborative workspaces
Recommended floor types	Suitable for use on hard wood, tile, laminate, and low-pile carpeted floors
Target user group	Adult office workers requiring lumbar and neck support for 8 hour daily seated shifts
Recommended complementary furniture	Pair with 760 mm height ergonomic office desks, monitor arms and keyboard trays for optimal posture
Recommended complementary setup	Pair with 760mm height ergonomic desks, monitor arms and keyboard trays

STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1:2020	Office furniture - Office work chairs - Part 1: Dimensions, safety requirements
EN 1335-2:2018	Office furniture - Office work chairs - Part 2: Safety performance requirements
EN 1335-3:2009	Office furniture - Office work chairs - Part 3: Test methods

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Standard for general purpose office chairs - structural, durability and stability requirements
ANSI/BIFMA X5.11-2015	Standard for large occupant office chairs up to 159kg load

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Office furniture chair dimensional, stability and strength testing for general office use
GB/T 39222-2020	Ergonomic performance evaluation requirements for office chairs

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Office furniture chair dimensional, stability and strength testing for general office use;
2. GB/T 39222-2020: Ergonomic performance evaluation requirements for office chairs;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

This ergonomic executive office chair presents a polished, professional silhouette defined by its tall high-back form, streamlined black mesh upper structure, and reflective chrome five-star base, creating a balanced look that aligns with both formal and casual work environments. The layout integrates a contoured headrest at the upper frame, fixed loop armrests positioned at a consistent height above the seat, and dual-wheel casters mounted to each point of the five-star base for a stable, well-proportioned footprint suited to standard desk configurations. Construction pairs purpose-selected materials for durability and comfort: the backrest uses tensioned black polyester mesh supported by internal PP ribs, paired with integrated segmented lumbar structure to cradle the lower back. The seat features a core of high-density molded polyurethane foam wrapped in water-resistant black woven polyester fabric, set atop a sturdy internal plywood support board. The frame relies on a thick steel five-spoke base finished in polished chrome, connected to a steel butterfly tilt chassis and certified Class 3 gas lift for reliable height adjustment. Fixed PA armrests include padded contact surfaces for elbow comfort, while black nylon dual-wheel non-marking casters support smooth movement across approved floor surfaces. Functional features support extended seated work: pneumatic seat height adjustment operates via an under-seat lever to align with standard desk heights, and the backrest offers lockable recline with adjustable tension control for personalized positioning. The chair supports full 360-degree swivel, the contoured padded headrest delivers static neck support for both upright and reclined postures, and the casters move smoothly across hard floors and low-pile carpet. Its recommended maximum user weight supports regular daily use by adult office workers. This chair fits a broad range of settings, including open plan office workstations, private executive and manager offices, residential home office studies, and formal conference rooms. For procurement, note that each unit ships across two cartons, with a typical assembly time per set, and that bulk container loading is calculated at 85% space utilization for planning purposes. It is designed for single-user operation, and works best on hard wood, tile, laminate, or low-pile carpeted floors.

High Back Black Mesh Ergonomic Executive Office Chair with Headrest and Chrome Five-Star Base Specifications

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