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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)	710 × 710 × 1300 mm
Seat width	510 mm
Seat depth	505 mm
Seat height range (floor to seat)	530 mm
Backrest height	760 mm
Backrest width	480 mm
5-star base diameter	680 mm
Caster diameter	60 mm
Headrest dimensions	320 x 180 mm
Retractable footrest extension length	300 mm
Armrest height adjustment range	120 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 recommended user weight	150 kg
Recommended user height range	190 cm
Gas lift static load rating	1136 kg
Seat cushion foam density	45 kg/m³
Seat cushion foam thickness	60 mm
Mesh upholstery abrasion resistance	50000 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

PRODUCT MODULE 03 / 06

Materials & Structure

Core acceptance fields · Panels / hardware / frame / upholstery

Data source: Subject to the factory material list and inspection report.

Seat and back upholstery	Breathable polyester mesh with geometric texture
Seat cushion core	High-density polyurethane foam
5-star base	Polished die-cast aluminum alloy
Caster wheels	Soft polyurethane tread with plastic hub
Armrest pads	Soft PU padded tops with nylon support brackets
Gas lift cylinder	Carbon steel Class 4 gas lift
Backrest frame	Reinforced glass-fiber nylon
Recline mechanism plate	3mm thick stamped steel
Internal seat support board	12mm thick multi-layer plywood
Footrest surface	Mesh-wrapped padded plastic
Stitching seam pitch	8 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 adjustment via side lever, 100mm vertical travel
Backrest recline	3-position lockable tilt up to 135 degrees
Headrest adjustment	Height and angle adjustable to support cervical spine
Armrest adjustment	3D adjustable (height, depth, pivot) for forearm support
Retractable footrest	Pull-out under-seat extension for recline leg support
360-degree swivel	Full rotation around central gas lift axis
Lumbar support	Integrated adaptive contoured lumbar zone
Tilt tension adjustment	Knob-controlled tension to match 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 workstations	Suitable for long-hour desk work with lumbar and height support
Home office study rooms	Supports upright work and reclined rest with retractable footrest
Executive private offices	Premium all-black design matches professional executive desk setups
24-hour operation control rooms	Durable padded construction suitable for extended shift use
Co-working space hot desks	Adjustable features accommodate diverse user body types
Height-adjustable standing desk setups	Wide seat height range matches variable standing desk heights
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	Applicable standard for office chair dimensional safety requirements
EN 1335-2:2018	Applicable standard for office chair strength and stability requirements
EN 1335-3:2009	Applicable standard for office chair test methods for structural safety

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	Applicable standard for general-purpose office chair performance and durability
Caster rolling durability cycles	40000

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Applicable standard for furniture size measurement of office chairs
GB 28007-2011	Applicable safety standard for office chairs with height adjustment
GB/T 35607-2017	Applicable green product evaluation standard for office furniture

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Applicable standard for furniture size measurement of office chairs;
2. GB 28007-2011: Applicable safety standard for office chairs with height adjustment;
3. GB/T 35607-2017: Applicable green product evaluation standard for office furniture;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The ERG-MESH-FR-700 high-back mesh ergonomic office chair from an unbranded line features a sleek all-black design defined by breathable geometric-textured polyester mesh across its tall backrest, paired with contoured, generously proportioned seat and support elements aligned to consistent, dimensionally stable layout specifications. Its polished die-cast aluminum alloy 5-star base supports a reinforced glass-fiber nylon back frame, with soft polyurethane casters mounted to each base point for smooth movement. The seat core uses high-density polyurethane foam padding, topped with matching mesh upholstery, while armrests feature soft PU padded surfaces secured to nylon support brackets. Internal structural components include a carbon steel Class 4 gas lift, 3mm thick stamped steel recline mechanism plate, and 12mm thick multi-layer plywood seat support board, engineered to support consistent long-term use. The mesh upholstery is tested to withstand 50000 abrasion cycles, the 45 kg/m³ density foam seat cushion holds its shape through repeated use, and the gas lift carries a static load rating of 1136 kg to support a maximum recommended user weight of 150 kg, with design accommodation for users up to 190 cm tall. Core functional features include pneumatic seat height adjustment with 100mm of vertical travel controlled via a side lever, a lockable 3-position backrest recline that tilts to 135 degrees, height and angle adjustable headrest for cervical support, 3D adjustable armrests that shift across height, depth, and pivot positions to support forearms, an integrated adaptive contoured lumbar zone, full 360-degree swivel, and a pull-out retractable under-seat footrest that extends to support legs during reclined rest. This chair fits a wide range of professional and personal work settings: it supports long-hour desk work at open-plan office workstations, balances upright task focus and reclined rest for home office study rooms, complements executive private offices with its polished all-black aesthetic, holds up to extended shift use in 24-hour operation control rooms, accommodates diverse user body types at co-working space hot desks, and pairs seamlessly with height-adjustable standing desk setups. Procurement teams should note each unit ships in two cartons, requires 40 minutes of assembly per set, and 135 units fit in a 20GP container at 85% space utilization, making it suitable for both small-scale and bulk furnishing projects.

High-Back Mesh Ergonomic Office Chair with Retractable Footrest Specifications

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