Amogreentech

What Amogreentech does

Amogreentech (아모그린텍) is a South Korea-based advanced materials and components manufacturer founded in 2004 and listed on KOSDAQ (ticker 132600) since March 2019. The company operates seven business divisions spanning high-efficiency magnetic components (common mode chokes, powder cores, laminate cores, current transformers/sensors), energy solutions (utility/renewable/telecom ESS, flexible and paper batteries), nano fiber membranes (acoustic vents, water/air purification), thermal solutions (EV relay junction boxes, motor thermal modules, LED headlamp modules, thermal interface materials, graphite/Al/Cu thermal sheets, EMI shielding, low-dielectric sheets, COF and OLED composite thermal sheets), AMB substrate modules (Si3N4 AMB substrates and dual-side-cooling wireless modules for 600V-1200V power semiconductors), nano powder (silver and copper nano particles, sintering pastes/films, silver nano ink), and metallic converters (hydrogen reformer, SCR, TWC, and VOCs modules). The company is a member of the AMO Group conglomerate alongside Amotech, AmoSense, AmoLifeScience, AmoSNet, and AmoEco-Systems, and is led by co-CEOs Kim Byung-kyu (a Seoul National University metallurgy PhD) and Yang Seong-cheol.

The technology base rests on proprietary processes including the world's first nano magnetic alloy powder synthesis, hybrid electrospinning for nano fiber membranes, active metal brazing (AMB) for ceramic-to-metal bonding, self-developed flexible battery separators, and pressure-sintering silver bonding materials. Quantifiable performance claims include 100,000 µ permeability in common mode chokes, 1.56T saturation flux density in powder cores, 30% lower core loss in laminate cores vs. cut cores, 20W/mK thermal conductivity in plastic heat sinks, 99.9999% bacteria removal in non-powered water systems, and 60% system size reduction in SCR modules. Amogreentech holds multiple registered core patents in reformer, SCR, TWC, and low-dielectric thermal sheet technologies, and has earned the 2017 Patent Management Grand Prize, 2015 IR52 Jang Young-sil Award, 2020/2014 Nano Korea Prime Minister's Commendations, 2022 World-Class Product designation from MOTIE, and ISO 9001/14001 and ISO/TS16949 certifications.

The business model is B2B direct sales of materials and customized modules to enterprise OEMs in electronics, automotive, energy, and environmental sectors, with quote-based pricing and technical sales engineers assigned to each product line. Named anchor customers include Samsung Electronics, Apple, and Fiat Chrysler (Stellantis), with whom the company maintains long-term joint R&D relationships. Amogreentech exports to approximately 50 countries serving ~250 companies, with export revenue representing ~65% of total sales. The company reported FY2024 IFRS standalone revenue of KRW 1,285 billion (~$960M USD) and operates manufacturing facilities in Gimpo (HQ and 2nd factory), Cheonan, Cheorwon, and Incheon Geomdan, each dedicated to specific business units.

Name

Amogreentech

Legal name

주식회사 아모그린텍 (주)아모그린텍

Website

https://amogreentech.co.kr

Company type

Public

Founded year

2004

Operating status

Operating

Short description

Amogreentech (아모그린텍) is a South Korean KOSDAQ-listed advanced materials manufacturer producing nano crystalline magnetic components, AMB ceramic substrates, thermal management solutions, ESS, and metallic converters for global electronics, EV, and energy OEMs including Samsung, Apple, and Stellantis.

Ownership category

akta.pro rank

Product category

Advanced Electronic Materials and Components

NAICS

Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing (334416), Power, Distribution, and Specialty Transformer Manufacturing (335311)

SIC

Electronic Coils, Transformers & Other Inductors (3677), Miscellaneous Chemical Products (2890)

akta.pro primary industry

Packaging Materials & Chemicals (Underfill/Mold Compound/Die Attach/Solders) (HDAHAGAM)

akta.pro secondary industries

Conductive/ESD & EMI-Shielding Compounds (IMANABAH), Power Modules (IGBT/MOSFET/SiC/GaN Modules) (HDAHAHAH), Sensor Fusion, Interface ICs & Modules (AFE/Readout/Packaging/Calibration) (HDAHALAO)

Keywords

• Nano magnetic components
• AMB ceramic substrates
• Thermal management materials
• Energy storage systems
• Nano fiber membranes

Headquarters

HQ city

Tongjin

HQ country

South Korea

HQ region

Asia

Offices5 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Technology or R&D, Personnel, Operations, Infrastructure, Marketing or Sales

Revenue model

1. Materials and Components Sales: Amogreentech generates revenue primarily through the sale of advanced materials and components including magnetic parts, thermal solutions, AMB ceramic substrates, nano fiber membranes, nano powder, metallic converters, ESS systems, and flexible batteries. Revenue is derived from both one-time product sales and long-term supply contracts with automotive and electronics manufacturers. The company reported 1,285 billion KRW (approximately $960 million USD) in revenue for 2024.
2. Customized Solutions and Modules: Revenue from bespoke thermal management modules, power electronics substrates, and integrated solutions tailored to specific customer requirements for EV, energy storage, and electronics applications. Provides design, simulation, and manufacturing services as part of the solution package.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Amogreentech is a South Korea-based materials and components manufacturer that produces advanced nano-material-based products across seven business divisions: high-efficiency magnetic components (common mode chokes, powder cores, laminate cores, cut cores, hybrid inductors, current transformers, current sensors), energy solutions (UESS/RESS/TESS battery systems, flexible and paper batteries), nano fiber membranes (acoustic vents, water purification systems, ABA air purifiers), thermal solutions (EV thermal modules, TIM, graphite/Al/Cu thermal sheets, EMI shielding), AMB ceramic substrate modules for power semiconductors, nano powders (silver and copper nano particles, sintering pastes and inks), and metallic converter modules (hydrogen reformer, SCR, TWC, VOCs). The company sells these materials, components, and customized integrated modules primarily to enterprise customers in the automotive (EV/HEV), energy storage, IT/consumer electronics, and environmental/energy sectors.

Product overview

Amogreentech is a diversified materials and components manufacturer offering a broad portfolio organized into seven business divisions: High-efficiency Magnetic Components (Common Mode Choke, Powder Core, Laminate Core, Cut Core, Hybrid Inductor, Current Transformer, Current Sensor); Energy Solutions (UESS for locomotives, RESS for renewables, TESS for telecom, Flexible Battery, Paper Battery); Nano Fiber Membrane (Acoustic Vents for mobile/automotive, Water Purification Systems, Wastewater Filtration, Electro Coagulation, ABA Air Purification System); Thermal Solutions (EV Relay Junction Box, EV Motor Thermal Solution, LED Headlamp Module, TIM, Graphite/Al/Cu Thermal Sheets, EMI Shielding Sheets, Low-Dielectric Thermal Sheets, COF Thermal Film, OLED Composite Thermal Sheets); AMB Substrate Modules (Si3N4 AMB Substrate, Wireless AMB, Heat Sink Attached AMB); Nano Powder (Silver Nano Particles, Sintering Silver Paste/Film, ASI Silver Nano Ink, ACS Copper Nano Paste); and Metallic Converters (Hydrogen Reformer, SCR, TWC, VOCs modules). The company serves automotive (EV/HEV), energy storage, IT/electronics, and environmental/energy sectors with materials-based solutions.

Differentiator

Problem solved

Functional benefit

Products and services

• Common Mode Choke Electronic component that blocks common-mode noise in circuits, featuring high permeability (100,000 µ), compact design, wide frequency range with high impedance, and excellent noise attenuation and temperature stability. Sold to EV, ESS, and electronics OEMs.
• Powder Core Magnetic powder core used to improve energy conversion efficiency in electronic circuits, offering 1.56T saturation flux density, excellent DC-Bias characteristics, and industry-leading core loss performance. Used in EV and ESS power circuits.
• Laminate Core Magnetic core for power circuits that enhances energy conversion efficiency, featuring -30% core loss vs. cut core, 1.56T saturation flux density, and easy large-core manufacturing. Selected as a World-Class Product by Korea's Ministry of Trade, Industry and Energy in 2022.
• Cut Core Magnetic component offering easy manufacturing and low cost relative to operating power, with compact lightweight design compared to existing products. Used in power electronics circuits.
• Hybrid Inductor Essential circuit component for high-capacity current handling in EV and ESS applications, featuring low resistance, high current, low heat generation, and high efficiency.
• Current Transformer Core component for real-time electrical consumption measurement in smart grid smart meters, featuring high linear phase, minimal amplitude error, easy calibration, RoHS compliance, low loss, and excellent linearity and precision.
• Current Sensor Sensor for measuring AC or DC current with various structural designs based on magnetic material types, specialized circuit design, and compact design using 1500A-class large-current cores for EV and FCEV applications.
• UESS (Utility Energy Storage System) Battery system for driving power of locomotives and electric-powered transportation vehicles, featuring in-house battery control system technology, battery cell/pack manufacturing, battery sensor technology, and performance prediction and monitoring.
• RESS (Renewable Energy Storage System) Energy storage device for renewable energy sources including solar and wind power, with battery control and monitoring capabilities.
• TESS (Telecom Energy Storage System) Emergency power system for telecommunications equipment used in base stations, IDC, and communication centers, providing backup power for telecom infrastructure.
• Flexible Battery Special secondary battery that operates stably when bent inside products, applicable to band parts of wearable devices and headphones; offers high energy capacity and safety from explosion, leakage, and fire with 10,000+ cycle bending characteristics and a self-developed separator.
• Paper Battery Ultra-thin lithium battery (primary and secondary) for small products such as credit cards, smart keys, and access terminals, applicable to ultra-thin applications from 0.4T to 2T.
• Acoustic Mic Vent Waterproof acoustic component for mobile devices that allows sound and air to pass while blocking water, for protecting speakers, receivers, and microphones. Includes waterproof, dustproof, high breathability materials and acoustic analysis/design/tapping total solutions.
• Acoustic Air Vent Waterproof acoustic component for mobile devices that equalizes internal pressure while blocking water, preventing speaker acoustic degradation.
• Automotive Vent Nano fiber membrane component for automotive LED lighting, ECU, inverter, DC-DC converter, and battery packs, preventing condensation and pressure imbalance while providing waterproofing with high/low temperature and chemical stability.
• Non-powered Water Purification System (무동력 정수 시스템) Drinking water supply device applying a 3-layer flat membrane filtration module that removes 99.9999% of bacteria and 99.99% of viruses (waterborne disease causes) without electricity or battery power; uses a 3D pore structure with high water flux and self-developed membrane fouling prevention.
• Wastewater Immersion Filtration System (하·폐수용 침지식 여과 시스템) Submersible flat membrane filtration module system using proprietary 3-layer nano membrane for wastewater and water reuse applications, offering 2x to 5x higher water permeability than conventional membranes with stable backwash capability.
• Electro Coagulation (전기응집장치) Electrochemical coagulation device that precipitates ions from electrode plates (iron or aluminum) to coagulate and separate pollutants from water; effective for heavy metal, total phosphorus, and turbidity removal.
• ABA System (AMO Best Air) Ventilation Air Purifier Ventilation purification system that removes indoor pollutants such as CO2 and radon while supplying fresh air, combining world-class membrane filter technology, high-efficiency low-noise BLDC motor, and IoT capabilities with sensors and network modules for standalone and built-in installation.
• EV High-Heat Relay Junction Box Thermal Module Optimized thermal solution components and modules for EV relay junction box heat issues, featuring total module optimization design (thermal, mechanical), various thermal materials (thermal plastic, high-radiation components, TIM), and simulation-based analysis.
• EV Motor Thermal Solution Thermal solution for transferring heat from motor coils to cooling parts, featuring thermal impregnation material development (thermal conductivity, heat resistance, electrical insulation), thermal molding material development, and thermal bobbin development.
• High-Heat LED Headlamp Module (고방열 LED 헤드램프 모듈) Multi-functional LED headlamp module for automotive headlamps with thermal management and lightweight design, featuring thermal plastic heat sink development (up to 20W/mK), LED module mechanical and optical design, and simulation-based analysis.
• Thermal Interface Materials (절연 방열 / TIM) Insulating thermal materials for automotive high-power, high-performance applications requiring insulation and reliability, offering various thermal material designs and solutions for EV batteries, EV OBC, and inverters.
• Graphite Thermal Sheet Ultra-thin thermal spreading sheet with excellent heat dispersion for device miniaturization and lightweighting, available in graphite and metal/insulation sheet hybrids for smartphones, wearables, TVs, and automotive applications.
• Al/Cu Thermal Sheet High thermal conductivity thermal spreading sheet with high thermal capacity and excellent heat dispersion, combined with durability and EMI shielding performance.
• Electromagnetic Wave Shielding Sheet (Shield CAN Adhesive) Hybrid sheet combining electromagnetic shielding and thermal management with curved and flexible design applicability, dense fiber structure for enhanced shielding performance and adhesion, and thin-film Amoweb coating for superior adhesion.
• Low-Dielectric Thermal Sheet (저유전 방열 시트) High thermal conductivity low-dielectric thermal sheet that does not affect antenna characteristics, with various thermal filler line-up and surface treatment/dielectric coating technology. Backed by multiple patents for related processes and structures.
• COF High-Heat Film (COF 고방열 필름) High-efficiency film-type thermal component that rapidly diffuses heat from DDIC semiconductor in display drivers, attachable as Chip on Film type to display driving IC semiconductors.
• OLED Composite Thermal Sheet (OLED 복합기능 방열시트) Large-area composite thermal sheet that dissipates heat from organic OLED displays, combining heat spreading sheet for overall surface temperature reduction and additional low-temperature thermal solution for medium-temperature heat; applicable to 60+ inch TVs and large displays.
• Si3N4 AMB Substrate Ceramic substrate for power semiconductors used in electric vehicles, railways, and renewable energy, satisfying both strength and thermal characteristics under high voltage (600V-1200V) and vibration; features heterogeneous material thin-film brazing bonding technology, high-temperature bending control, and thermal shock stress relaxation.
• Wireless AMB Substrate Module (Dual Side Cooling) Dual Side Cooling (DSC) power substrate module developed as a solution for high heat generation in high-output power modules, featuring no wire bonding and two-sided cooling architecture.
• Heat Sink Attached AMB Substrate Module Integrated heat sink AMB substrate module based on AMB method that improves cooling efficiency and power substrate stability, featuring high thermal conductivity through AMB substrate and heat sink bonding.
• 20nm/50nm Silver Nano Particles (은나노입자) Ultra-fine (20nm/50nm) silver nano particles with high yield mass production capability, narrow particle size distribution, physical stability, and competitiveness for ink-jet and EHD printing conductive ink manufacturing.
• Pressure Sintering Silver Paste/Film (소결형 실버 페이스트/필름) Pressure sintering-type silver bonding material with excellent thermal and high-temperature reliability for EV power semiconductors and power module bonding, available in paste form (excellent print quality, easy storage) and film form (excellent transfer characteristics).
• ASI Series Silver Nano Ink (은나노잉크) Silver nano ink using ultra-fine particles (15-20nm) with excellent dispersion stability and jetting stability for digitizer FPCB, touch panel bezels, and NFC antenna electrodes.
• ACS Series Copper Nano Paste (구리나노페이스트) Copper nano paste using photo-sintering process for low-cost fine linewidth printing in various FPCB products, enabling sintering at room temperature without oxidation in air atmosphere.
• Hydrogen Reformer & Module Catalyst coating module for fuel conversion process in eco-friendly hydrogen production, featuring ultra-thin metal with excellent heat transfer efficiency, minimized precious metal catalyst loading for cost competitiveness, and applications for SR, WGS, and PROX processes in mobile and stationary fuel cell systems. Backed by multiple core patents.
• SCR Metal Module Catalyst coating module for removing nitrogen oxides from air pollutants, featuring high reduction performance, system size reduction (~60% of existing systems), vibration resistance, thermal shock durability, and reusable module design. Backed by multiple core patents.
• TWC Metal Module (Three-Way Catalyst) Automotive exhaust gas reduction device catalyst module for removing HC, CO, and NOx, featuring minimized exhaust pressure for improved engine efficiency and high-temperature durability compared to existing ceramic products.
• VOCs Metal Module Catalyst module for removing volatile organic compounds and odors, featuring excellent thermal conductivity for fast response to temperature changes and uniform temperature distribution control in the catalyst reaction section.
• FPCB for NFC Wireless Charging Circuit component implementing NFC (Near Field Communication) technology and wireless power transmission technology for IoT applications, featuring thick fine circuit patterning technology for high power transmission efficiency.

Quantifiable outcome

• 99.9999% bacteria removal rate in water filtration systems
• +8 more outcomes

Named customers3 records

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature35 records

Scale indicators6 records

Recent moves7 records

Expansion highlights6 records

Broad incumbents

• Kyocera: Large diversified electronic-ceramics and component maker whose ceramic substrates and packages overlap Amogreentech's AMB and ceramic materials as part of a much wider portfolio.
• TDK Corporation: Global passive-component and magnetics leader making inductors, ferrite/soft-magnetic cores and EMI components, overlapping Amogreentech's magnetics and EMI shielding lines at far larger scale.
• Henkel: Global supplier of die-attach adhesives, thermal interface materials and conductive pastes for electronics, overlapping Amogreentech's thermal and sinter-paste materials within a broad portfolio.

Regional players

• Denka Company: Japanese materials firm producing Si3N4 and AlN AMB ceramic substrates for power electronics, a close product analog operating primarily from Japan.
• Amotech: Sister company within AMO Group producing ceramic electronic components (varistors, NFC antennas); shares technology heritage and target electronics customers with Amogreentech.

Direct peers

• Vacuumschmelze (VAC): German maker of nanocrystalline and amorphous soft-magnetic cores, common-mode chokes and current transformers — directly overlapping Amogreentech's flagship high-efficiency magnetic components.
• W. L. Gore & Associates: Produces ePTFE acoustic and protective vent membranes for mobile and automotive electronics, directly competing with Amogreentech's nano-fiber acoustic and automotive vents.
• Heraeus Electronics: Makes AMB substrates and silver sinter die-attach pastes for power semiconductors, overlapping Amogreentech's AMB modules and pressure-sintered silver paste products.
• Rogers Corporation: Supplies curamik AMB/DBC ceramic substrates and thermal/power materials for EV and power modules, directly comparable to Amogreentech's AMB substrate and thermal solutions.
• Proterial (formerly Hitachi Metals): Producer of Finemet nanocrystalline magnetic materials and cores for power electronics, competing head-on with Amogreentech's magnetic component line.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Compliance11 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Amogreentech