DOWA ECO-SYSTEM

What DOWA ECO-SYSTEM does

DOWA ECO-SYSTEM Co., Ltd. is a Japanese environmental services company headquartered in Tokyo that delivers an integrated portfolio spanning resource recycling, waste treatment, soil and groundwater remediation, environmental consulting, and environmental logistics. The company was established in October 2006 as part of the reorganization of DOWA Holdings' environmental businesses and operates as a wholly-owned subsidiary of DOWA Holdings, with approximately 2,700 consolidated employees, registered capital of 10 billion yen, and operations across 7 countries (Japan, China, Thailand, Singapore, Indonesia, Myanmar, USA, Germany). Its service mix covers metal recycling (precious and non-ferrous metals, automotive shredder dust, e-scrap, home appliances), end-of-life recycling for lithium-ion batteries, solar panels, and neodymium magnets, industrial and hazardous waste incineration with heat recovery, final disposal, environmental site surveys, and BDF/biogas energy production.

The company's technical platform is centered on a multi-metal smelting and refining network capable of recovering more than 20 metals, proprietary processes for black mass and nickel/cobalt sulfate recovery from used lithium-ion batteries, and a suite of patented soil and groundwater remediation methods including Dry Magnetic Extraction (DME, NETIS KT-160113-A), DIM in-situ mixing, and Permeable Reactive Barrier (PRB) treatment licensed under Patent No. 3079109. Manufacturing subsidiaries Meltec and Meltec Iwaki produce registered-trademark products Melmelt® (molten slag) and Melmetal® (molten metal) from incineration ash, with multiple eco-product certifications across Tochigi, Fukushima, Okayama, and Eco Mark. Revenues are generated primarily through per-project and per-tonnage transaction fees for waste processing and remediation services, sale of recovered materials, BDF production (up to 1,200 kL/year), and 910 kW biogas power generation under Japan's FIT scheme. Customers include industrial and manufacturing firms, government and public-sector entities (notably Japan's Ministry of the Environment), Tohoku Electric Power Network, automotive/EV and renewable-energy companies, and cathode material manufacturers evaluating recovered battery-grade sulfates.

DOWA ECO-SYSTEM reaches customers primarily through B2B direct sales via its main sales arm Eco System Japan (which added sales offices in Oyama, Kumamoto, and Okinawa in April 2026) and through wholly-owned operating subsidiaries such as Eco System Akita, Eco System Hanaoka, Eco System Sanyo, Eco System Okayama, Meltec, Bio Diesel Okayama, E&E Solutions, and overseas entities (PPLi and DESI in Indonesia, Modern Asia Environmental Holdings in Singapore, Waste Management Siam in Thailand, Suzhou Tonghe in China, Golden DOWA ECO-SYSTEM Myanmar, and DOWA International in the United States). Recent strategic activity has concentrated on circular-economy adjacencies: a strategic partnership with Nippon Light Metal Holdings covering lithium-ion battery, solar panel, and EV motor recycling (April 2026), a joint study with Kuraray on activated carbon regeneration (March 2026), a new nickel-and-cobalt sulfate recovery process (June 2026), and a neodymium magnet recovery demonstration project (November 2025), all aligned with tightening critical-mineral and resource-circulation regulations in Japan, the EU, and Southeast Asia.

Name

DOWA ECO-SYSTEM

Legal name

DOWA ECO-SYSTEM CO., LTD.

Website

https://dowa-eco.co.jp

Company type

Private

Founded year

2006

Operating status

Operating

Short description

DOWA ECO-SYSTEM is a Japanese environmental services company and wholly-owned subsidiary of DOWA Holdings that delivers integrated waste treatment, multi-metal recycling, lithium-ion battery and neodymium magnet recovery, soil/groundwater remediation, and environmental consulting across Japan and seven other countries.

Ownership category

akta.pro rank

Headquarters

HQ city

Tokyo (Chiyoda-ku)

HQ country

Japan

HQ region

Asia

Offices17 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Resource Recycling Services: Metal recycling (including E-scrap, automotive, home appliances), precious metal smelting and refining, lithium-ion battery recycling, solar panel recycling, neodymium magnet recovery. Revenue from processing fees and sale of recovered materials.
2. Waste Treatment Services: Incineration, stabilization/solidification, final disposal, PCB waste treatment, medical waste treatment. Revenue from waste processing fees.
3. Soil and Groundwater Remediation: Contaminated soil washing, dry magnetic separation, chemical treatment, bioremediation, in-situ remediation, groundwater treatment using PRB, chemical injection, pumping. Revenue from investigation, design, and remediation project fees.
4. Environmental Consulting and Logistics: Environmental site services, soil contamination surveys, logistics and transportation of waste and recycled materials.
5. Bio-diesel Fuel (BDF) Production: Manufacturing bio-diesel fuel from used cooking oil, sold as substitute for diesel fuel. Annual capacity of up to 1,200 kiloliters.
6. Biogas Power Generation: Biogas power generation from food waste. Generates electricity sold under FIT (Feed-in Tariff) scheme. 910kW capacity.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

DOWA ECO-SYSTEM provides environmental services focused on waste treatment, recycling, soil remediation, and environmental consulting. As a wholly-owned subsidiary of DOWA Holdings, it serves industrial, manufacturing, and municipal clients with integrated solutions for managing hazardous and non-hazardous waste streams.

Product overview

DOWA ECO-SYSTEM is an environmental services company offering a comprehensive portfolio of recycling and waste management services. The core offerings include lithium-ion battery recycling (with new nickel and cobalt sulfate recovery technology), metal recycling through composite smelting, soil and groundwater remediation services, and waste processing. The company manufactures specialized products including Melmelt® (molten slag) and Melmetal® (molten metal) from incineration ash, and produces biofuels (BDF and biogas). Services span multiple domains including automotive, electronics, solar panel, and food waste recycling, with operations across Japan and internationally in Thailand, China, Indonesia, Myanmar, Singapore, USA, and Germany. Key service innovations include COSTFIX® cost cap guarantee for remediation projects and neodymium magnet recovery demonstration projects.

Differentiator

Problem solved

Functional benefit

Products and services

• Waste Treatment Services
• Recycling Services
• Soil Remediation Services
• Environmental Consulting

Quantifiable outcome

• Achieves approximately 30% reduction in annual CO2 emissions through hydroelectric power sourcing
• +3 more outcomes

Named customers7 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature9 records

Partnerships

21 partnerships are on record, tiered core, major, regional and minor.

• E-and-E Solutions (イー・アンド・イー ソリューションズ)coreStrategic or Co-development Partner · 19 June 2026E-and-E Solutions selected by Ministry of Environment for 'FY8 Manufacturing-Resource Circulation Industry Collaboration and High-quality Recycled Material Supply Demonstration Project' for efficient collection and transport of end-of-life solar panels. Pilot project in Fukushima Prefecture.
• Nippon Light Metal Holdings (日本軽金属ホールディングス)majorStrategic or Co-development Partner · 24 April 2026Strategic partnership for joint technology development and business development in metal recycling for lithium-ion batteries, solar panels, and EV motors. Combines DOWA's recycling expertise with Nippon Light Metal's aluminum and light metals capabilities.
• Kuraray (クラレ)majorStrategic or Co-development Partner · 30 March 2026Joint study for activated carbon regeneration resource circulation business in Japan. DOWA provides used activated carbon proper treatment and nationwide collection network. Kuraray provides activated carbon manufacturing, sales, reactivation technology, and quality assurance.
• Meltec (メルテック)coreOthersSubsidiary of DOWA ECO-SYSTEM (100% owned). Specializes in melting incineration ash to produce artificial aggregate (Mel Ace) and recovering precious metals (Mel Main). Located in Oyama City, Tochigi Prefecture. 68 employees.
• PT Prasadha Pamunah Limbah Industri (PPLi)coreOthersSubsidiary in Bogor, West Java, Indonesia (DOWA group). Hazardous waste treatment including solidification, stabilization, incineration, and final disposal. Has processed approximately 110 tons of PCB waste.
• PT DOWA Eco System Indonesia (DESI)coreOthersSubsidiary in Lamongan, East Java, Indonesia (DOWA group). Non-hazardous waste treatment, final disposal facility, recycling (sorting, shredding, fuel production, metal recovery).
• Suzhou Tonghe Resources Comprehensive Utilization (蘇州同和資源綜合利用有限公司)regionalOthersSubsidiary in Suzhou, China. Metal recycling, waste incineration, home appliance recycling, and soil/groundwater remediation consulting.
• Eco System Japan (エコシステムジャパン)coreOthersMain commercial sales arm for the DOWA ECO-SYSTEM group. Handles nationwide sales of waste treatment and recycling services. Established April 2026 with 3 new sales offices (Oyama, Kumamoto, Okinawa) and new departments for green energy and circular economy development.
• Eco System Akita (エコシステム秋田)regionalOthersSubsidiary in Akita Prefecture. Waste incineration, metal recycling, PCB treatment. ISO 14001 certified since 1999. Operates rotary kiln incinerators.
• Eco System Hanaoka (エコシステム花岡)regionalOthersSubsidiary in Akita Prefecture. Operates managed final disposal sites (total area 140,841 m², capacity 3,041,554 m³) and soil remediation facilities. Certified Safe Consortium member.
• Eco System Sanyo (エコシステム山陽)regionalOthersSubsidiary in Okayama Prefecture. Waste incineration with heat recovery power generation. ISO 14001 certified. Eco Action 21 registered.
• Eco System Okayama (エコシステム岡山)regionalOthersSubsidiary in Okayama Prefecture. Automotive shredder dust processing and waste incineration with on-site power generation.
• Bio Diesel Okayama (バイオディーゼル岡山)regionalOthersSubsidiary producing bio-diesel fuel (up to 1,200 kL/year) from used cooking oil and operating biogas power generation (910 kW). Registered with Ministry of Agriculture, Forestry and Fisheries and Ministry of Environment.
• Golden DOWA ECO-SYSTEM Myanmar (GEM)regionalOthersSubsidiary in Thilawa SEZ, Myanmar. First private waste treatment facility in Myanmar, providing comprehensive hazardous and non-hazardous waste management.
• Modern Asia Environmental Holdings (MAEH)regionalOthersSubsidiary in Singapore. Hazardous waste incineration, precious metal recycling, environmental site services.
• Eco Recycle Akita (エコリサイクル)minorOthersAffiliate in Akita Prefecture performing motor disassembly for neodymium magnet recovery demonstration project.
• DOWA Electronics (DOWAエレクトロニクス)coreOthersSister company providing refining technology for nickel and cobalt sulfate recovery from black mass. Combined with DOWA Ecosystem's black mass recovery technology for complete LIB recycling.
• Cathode Material ManufacturersminorStrategic or Co-development PartnerReceiving samples of recovered nickel and cobalt sulfate for performance evaluation as part of the battery recycling development process.
• Kosaka Smelting (小坂製錬)coreOthersAffiliate smelter with world-class composite recycling smelting capabilities. Established 1884. Processes electronic scrap and plating waste into various metals using recycling-dedicated furnaces.
• PT Prasadha Pamunah Limbah Industri (PPLi)regionalStrategic or Co-development PartnerHost of Japan-Indonesia Environmental Week visit by Japanese Ministry of Environment officials, demonstrating Japan's role in supporting Indonesia's waste management infrastructure.
• Waste Management Siam (WMS)regionalOthersWaste collection, transport, incineration and final disposal operations in Thailand. BPEC provides hazardous/non-hazardous waste incineration with heat recovery. ESBEC handles non-hazardous waste management.

Scale indicators16 records

Recent moves12 records

Expansion highlights6 records

Broad incumbents

• JX Advanced Metals Corporation: Japanese non-ferrous metals manufacturer and recycler (formerly JX Nippon Mining & Metals) producing copper, rare metals, and recycled materials. Comparable to DOWA's smelting network and competes in Japan's critical metals recovery space, particularly for semiconductor and EV applications.
• REMONDIS SE & Co. KG: German family-owned environmental services company with global water, waste, and recycling operations including hazardous waste treatment and metal recovery. Comparable to DOWA's integrated environmental platform and operates in overlapping European and Asian markets.
• Umicore SA: Global materials technology and recycling group with major battery materials and precious metals recycling operations. Comparable to DOWA's LIB black mass recovery and precious metal smelting network, serving overlapping cathode manufacturer customers under EU Battery Regulation pressures.
• Clean Harbors, Inc. North American leader in hazardous waste management, environmental remediation, and reverse logistics. Comparable to DOWA's hazardous waste incineration, PCB processing, and soil/groundwater remediation businesses at a larger geographic scale.
• Sumitomo Metal Mining Co., Ltd. Major Japanese non-ferrous smelter and refiner with battery materials (nickel, cathode) operations. Comparable to DOWA's metal recycling and refining capabilities, particularly through sister-company DOWA Electronics, and competes for battery material offtake from cathode manufacturers.
• Veolia Environnement: Global environmental services giant with hazardous waste treatment, metal recycling, and soil remediation divisions across Europe, Asia, and the Americas. Comparable to DOWA's full-lifecycle environmental platform and competes in Asian hazardous waste markets.

Direct peers

• Daiseki Co., Ltd. Japan's largest industrial waste treatment and recycling company, operating incineration, intermediate treatment, and recycling facilities nationwide. Direct competitor to DOWA ECO-SYSTEM in industrial and hazardous waste processing, with comparable B2B service model targeting manufacturers.
• Asahi Holdings, Inc. Japanese precious metals refiner and recycler of e-scrap, automotive catalysts, and industrial waste into gold, silver, platinum, and palladium. Highly comparable to DOWA's Kosaka-affiliated composite smelting network for precious metal recovery.

Emerging players

• Redwood Materials: US-based battery recycling and cathode active material producer focused on end-of-life lithium-ion batteries. Comparable emerging peer to DOWA's LIB recycling line, targeting the same cathode manufacturer offtake market.
• Li-Cycle Holdings Corp. Lithium-ion battery recycling specialist using a hub-and-spoke model to process black mass into critical battery materials. Directly comparable to DOWA's new nickel/cobalt sulfate recovery process, though at a less mature commercial scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

Compliance21 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries14 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 DOWA ECO-SYSTEM