Name: Grey High-back Ergonomic Mesh Office Chair with Retractable Footrest
Brand: Bolongkeli Smart Furniture
SKU: ZEDMPW

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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)	690 × 700 × 1295 mm
Seat width	510 mm
Seat depth	500 mm
Seat height adjustment range	520 mm
Backrest height	720 mm
Headrest dimensions	320 x 200 mm
Armrest height adjustment range	100 mm above seat
Five-star base diameter	700 mm
Retracted footrest depth extension	0 mm (stowed under seat)
Extended footrest length	280 mm
Caster diameter	60 mm
Seat cushion thickness	80 mm
Backrest mesh tension zone height	520 mm
Finished Seat Cushion Thickness	90 mm
Backrest Padding Thickness	70 mm
Lumbar Support Zone Height	240 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 static load capacity	150 kg
Net weight reference	20 kg
Recline angle range lock positions	4 positions, up to 135 degrees from upright
Seat height adjustment stroke	100 mm
Caster rolling durability	100000 cycles
Gas lift vertical load rating	150 kg
Mesh abrasion resistance	50000 Martindale cycles
Seat foam density	60 kg/m³
Seat foam rebound rate	55%
Standard warranty period	3 years

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	Grey breathable polyester mesh
Seat upholstery	Grey breathable mesh over high-density molded foam
Back frame	PA66 nylon with 30% fiberglass reinforcement
Armrest pads	Soft molded PU surface over rigid support
Armrest supports	Silver-painted aluminum alloy
Five-star base	Polished silver aluminum alloy
Casters	PU tread with nylon hub, black accent ring
Gas lift cylinder	Chrome-plated Class 3 steel
Tilt mechanism chassis	3mm thick stamped steel
Footrest surface	Matching grey mesh over padded support
Seam stitch pitch	8 stitches per inch
Frame finish	Matte silver powder coating on metal components

PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

360-degree swivel rotation	Full rotation enabled by central gas lift and swivel mechanism
Seat height adjustment	Pneumatic lift controlled by side lever, 100mm travel
Backrest recline and lock	4-position locking up to 135 degrees, adjustable tilt tension
Retractable under-seat footrest	Slides and folds out from front seat base for leg support
Adjustable headrest	Height adjustment plus 45-degree angle tilt
2D adjustable lumbar support	Height and depth adjustment to fit natural lower back curve
Height-adjustable armrests	100mm vertical travel with soft PU pads
Smooth rolling casters	360-degree swivel PU wheels suitable for hard floors and low-pile carpet
Synchronized tilt mechanism	Seat and backrest tilt in coordinated ratio to maintain posture
Flip-up capability not present	Armrests remain fixed in horizontal position at adjusted height
Recline Angle / Lock Reference	125° with 3suggested lock positions
Tilt Tension User-weight Range	Reference adjustment coverage 120 kg

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.

Executive office workspace	Provides multi-position ergonomic support for daily 8+ hour desk work
Home office study	Compact footprint and modern grey finish match residential workspaces
Open plan workstation	Smooth rolling casters and swivel support active collaborative work
Meeting and conference rooms	Adjustable features accommodate users of varying heights
Gaming and hobby workstations	Recline and footrest support extended sessions for computer use
Hot-desking flexible workspaces	Easy height and support adjustments suit rotating shared 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	Office furniture: office work chairs, dimensional safety requirements
EN 1335-2:2018	Office work chairs, safety strength and durability requirements
EN 1335-3:2009	Office work chairs, test methods for safety and stability

STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1-2017	General purpose office chairs, performance and safety requirements
ANSI/BIFMA X5.11-2015	Large occupant office chairs, optional heavy-duty performance standard
Base static load capacity	1136 kg

STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 3326-2016	Office furniture: tables and chairs, dimensional accuracy and stability requirements
GB/T 10357.3-2013	Furniture mechanical properties test: chairs and stools, strength and durability
GB/T 10357.7-2013	Furniture mechanical properties test: chair tilting stability test

Standardized tender description text

This product must meet the following technical requirements:
1. GB/T 3326-2016: Office furniture: tables and chairs, dimensional accuracy and stability requirements;
2. GB/T 10357.3-2013: Furniture mechanical properties test: chairs and stools, strength and durability;
3. GB/T 10357.7-2013: Furniture mechanical properties test: chair tilting stability test;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.

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Product Description

The Grey High-back Ergonomic Mesh Office Chair with Retractable Footrest, model ERG-MSH-GRY-FR-01 from Bolongkeli Smart Furniture, presents a streamlined, professional silhouette defined by its tall, contoured high-back structure, polished silver five-star caster base, and coordinated neutral grey upholstery that blends seamlessly with a range of interior design palettes. The layout prioritizes user-centered adjustability, with aligned support points for the head, upper back, lumbar region, arms, and legs to create a cohesive seated experience.
Built for durable long-term use, the chair features a backrest upholstered in grey breathable polyester mesh, paired with a seat of matching grey breathable mesh over high-density molded foam for balanced comfort and airflow. Its back frame is constructed from PA66 nylon reinforced with 30 percent fiberglass, while armrests combine soft molded PU pads on rigid supports with silver-painted aluminum alloy structures. The polished silver aluminum alloy five-star base supports PU tread casters with nylon hubs and black accent rings, paired with a chrome-plated Class 3 steel gas lift and 3mm thick stamped steel tilt mechanism chassis for sturdy, reliable operation.
Comprehensive ergonomic functions include full 360-degree swivel rotation, pneumatic seat height adjustment controlled via a side lever, 4-position backrest recline locking up to 135 degrees from upright with adjustable tilt tension, and a retractable under-seat footrest that slides and folds out from the front seat base for leg support during relaxed postures. Users can also adjust the headrest for height and 45-degree angle tilt, fine-tune the 2D lumbar support for height and depth to match natural lower back curvature, and modify armrest height across 100mm of vertical travel to suit individual positioning needs.
This chair fits a wide array of commercial and residential spaces. It delivers multi-position ergonomic support for extended daily desk work in executive office workspaces, and its compact footprint and modern grey finish complement residential home office studies. In open plan workstations, its smooth-rolling casters and swivel function support active collaborative work, while its broad adjustability accommodates users of varying heights in meeting and conference rooms. The recline and footrest features suit extended gaming and hobby sessions, and quick, intuitive adjustments make it ideal for flexible hot-desking environments serving rotating users.
For procurement planning, note each unit ships in two cartons, with a reference assembly time of 40 minutes per set. Logistics data supports efficient bulk shipping for large project orders, and the chair supports a recommended static load capacity suited for diverse user groups. The neutral colorway and durable material finishes allow consistent furnishing across mixed-use work zones without style mismatch.

Grey High-back Ergonomic Mesh Office Chair with Retractable Footrest Specifications

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