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High-Back Mesh Ergonomic Office Chair with Headrest Specifications

EHC-MH-GRY-01Code:PG04AQV1

High-Back Mesh Ergonomic Office Chair with Headrest (model EHC-MH-GRY-01) is listed under Mesh Office Chair. Dimensions: 670 × 650 × 1290 mm. Materials: Grey flexible mesh over a contoured polymer outer frame. Load capacity: 150 kg. Product Features: High-back,ergonomic,chair,mesh,back,headrest,five-star,base,swivel,casters,adjustable,armrests. This page consolidates 6 groups of specifications and GB / EN / ANSI/BIFMA standard references, with metric and imperial units. 1 supplier(s) are listed and you can request a quote online.

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2026-10-27 18:47Popularity: 3
BrandFENGGUANModelEHC-MH-GRY-01
Overall dimensions (W × D × H)670 × 650 × 1290 mmFinished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mmLumbar Support Zone Height240 mm
Clear Width Between Armrests540 mmNet weight18.5 kg
Maximum user load150 kgBack dynamic load acceptance target136 kg
Seat static load acceptance target950 N downward forceGas lift cycles100,000 height-adjustment cycles
Caster rolling durability100,000 cycles on hard-floor test surfaceSeat foam density45 kg/m3 molded polyurethane
Seat foam rebound40%Mesh back static tension target220 N distributed back load
Warranty target3 yearsBackrestGrey flexible mesh over a contoured polymer outer frame
Seat cushionMolded polyurethane foam with fixed grey woven upholsteryHeadrestCurved mesh pad with polymer frame and support post
ArmrestsSilver-painted support uprights with black polymer arm padsUnder-seat frameBlack steel and polymer mechanism housing with silver lower seat shell
Base and liftPolished five-star steel base, chrome telescopic lift, black twin-wheel castersHeight adjustmentPneumatic seat-height lift provides 100 mm travel through a side under-seat lever
Recline and lockSynchronized tilt mechanism reclines to 125 degrees and locks at 95, 105 and 115 degreesHead supportHeight-adjustable curved headrest moves 80 mm and pivots 25 degrees for neck alignment
Mobility360-degree swivel seat and five 60 mm twin-wheel casters enable movement on hard floors or low-pile carpetReference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per setReference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/setReference Carton Volume0.26 m³/set
Indicative 20GP Loading135 sets at 85% space utilizationOffice workstationSuitable for full-time computer work at executive desks, home offices and shared workstations due to headrest, mesh back and swivel mobility
Meeting or manager roomAppropriate for task-oriented meeting rooms where users require recline support, padded arms and easy movement between desk positions——
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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)670 × 650 × 1290 mm
Finished Seat Cushion Thickness90 mm
Backrest Padding Thickness70 mm
Lumbar Support Zone Height240 mm
Clear Width Between Armrests540 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.

Net weight18.5 kg
Maximum user load150 kg
Back dynamic load acceptance target136 kg
Seat static load acceptance target950 N downward force
Gas lift cycles100,000 height-adjustment cycles
Caster rolling durability100,000 cycles on hard-floor test surface
Seat foam density45 kg/m3 molded polyurethane
Seat foam rebound40%
Mesh back static tension target220 N distributed back load
Warranty target3 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.

BackrestGrey flexible mesh over a contoured polymer outer frame
Seat cushionMolded polyurethane foam with fixed grey woven upholstery
HeadrestCurved mesh pad with polymer frame and support post
ArmrestsSilver-painted support uprights with black polymer arm pads
Under-seat frameBlack steel and polymer mechanism housing with silver lower seat shell
Base and liftPolished five-star steel base, chrome telescopic lift, black twin-wheel casters
PRODUCT MODULE 04 / 06

Functions & Adjustment

Adjustment / rotation / tilt / mobility / storage features

Data source: Functional configuration; the supplier specification prevails.

Height adjustmentPneumatic seat-height lift provides 100 mm travel through a side under-seat lever
Recline and lockSynchronized tilt mechanism reclines to 125 degrees and locks at 95, 105 and 115 degrees
Head supportHeight-adjustable curved headrest moves 80 mm and pivots 25 degrees for neck alignment
Mobility360-degree swivel seat and five 60 mm twin-wheel casters enable movement on hard floors or low-pile carpet
PRODUCT MODULE 05 / 06

Packaging & Logistics

Verified carton / gross weight / assembly / loading data

Data source: Reference for export quotations and container planning.

Reference Package Count1 set / 2 cartons
Reference Assembly Time40 minutes per set
Reference Carton Dimensions850× 420× 720 mm
Reference Packaged Gross Weight23 kg/set
Reference Carton Volume0.26 m³/set
Indicative 20GP Loading135 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.

Office workstationSuitable for full-time computer work at executive desks, home offices and shared workstations due to headrest, mesh back and swivel mobility
Meeting or manager roomAppropriate for task-oriented meeting rooms where users require recline support, padded arms and easy movement between desk positions
STANDARD S1

EU Market Entry Requirements * EN Standards

EU Market Access Requirements* EN Standards

EN 1335-1Dimensional safety requirements for office task chairs, used to verify seat, back and clearance geometry
EN 1335-2Safety requirements for office task chairs, including structural strength and stability
EN 1335-3Test methods for office task chairs, suitable for procurement validation of tilt and base performance
EN 1022Domestic and contract furniture stability test method, applicable to seated tipping assessment
STANDARD S2

North America Purchasing & Inspection Reference * ANSI/BIFMA Standards

US and Canada office-furniture standards

ANSI/BIFMA X5.1Office chairs standard for safety, durability, structural load, backrest, arm and base testing
STANDARD S3

Standards Applicable to China-Market Projects * GB Standards

Standards applicable to China-market projects

GB/T 10357.2Test method for furniture surface physical properties, applicable to painted metal and polymer contact surfaces
GB/T 10357.3Strength and durability test method for chair seating, backrest and arm loading
GB/T 28004Applicable specification framework for swivel office chairs, including stability, adjustment and durability
Standardized tender description text
This product must meet the following technical requirements:
1. GB/T 10357.2: Test method for furniture surface physical properties, applicable to painted metal and polymer contact surfaces;
2. GB/T 10357.3: Strength and durability test method for chair seating, backrest and arm loading;
3. GB/T 28004: Applicable specification framework for swivel office chairs, including stability, adjustment and durability;
Final delivery parameters, test reports, and acceptance criteria are subject to the purchase contract.
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Product Description

The EHC-MH-GRY-01 is an unbranded high-back ergonomic office chair designed for extended desk use in commercial and residential settings. Its upright profile combines a grey flexible mesh back with a contoured polymer outer frame, a curved mesh headrest, and a structured five-star base. The grey seat uses molded polyurethane foam with fixed woven upholstery, creating a coordinated appearance with the breathable back. Black polymer arm pads contrast with silver-painted support uprights, while the polished steel base, chrome telescopic lift, and black twin-wheel casters give the chair a functional executive look. Construction centers on a painted and chrome-finished steel structure, with polymer used for the back frame, headrest frame, arm pads, and mechanism housing. The under-seat area includes a black steel and polymer mechanism cover beneath a silver lower seat shell. The seat cushion has a 90 mm finished thickness and uses 45 kg/m3 molded polyurethane foam, while the backrest includes 70 mm of padding thickness and a 240 mm-high lumbar support zone. With 540 mm between the armrests and overall dimensions of 670 x 650 x 1290 mm, the chair presents a substantial high-back form suitable for users seeking head, neck, and back support. The product weighs 18.5 kg and is rated for a maximum user load of 150 kg. Functional adjustment is handled through a pneumatic seat-height lift with 100 mm of travel, operated by a side lever under the seat. A synchronized tilt mechanism allows recline to 125 degrees and can lock at 95, 105, and 115 degrees. The curved headrest adjusts through 80 mm of height movement and pivots 25 degrees to support neck positioning. The 360-degree swivel seat and five 60 mm twin-wheel casters support movement on hard floors and low-pile carpet. The design also includes padded armrests for forearm support during task work or reclined discussion. This model is well suited to full-time computer work at executive desks, home offices, and shared workstations. It is also appropriate for task-oriented meeting rooms or manager offices where users benefit from recline support, padded arms, and easy movement between desk positions. Its neutral grey, black, silver, and polished-metal finish integrates readily with standard office interiors. Buyers should plan for assembly from two cartons per set, with a reference assembly time of 40 minutes. Packaged gross weight is 23 kg per set, with a reference carton volume of 0.26 cubic meters. The listed loading reference is 135 sets in a 20GP container at 85 percent space utilization, useful for bulk purchasing and freight planning. Specification checks for height adjustment, recline locking, headrest movement, caster type, and floor compatibility are recommended before placement across multiple workstations.

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