DOWA ECO-SYSTEM Co., Ltd. is a subsidiary company of Dowa Mining Co., Ltd., that was established in October 2006 in order to focus more specifically on Environmental Management & Recycling. Dowa Mining Co., Ltd. was originally established in Japan in 1884 as a mining & smelting company.

Dowa Mining Co., Ltd. was quickly able to position the Environmental Management & Recycling division as a leading company in this field by utilizing the proven technologies, infrastructure, experience and problem-solving methodology accumulated from their 120 years of mining & refining operations.

Currently, DOWA ECO-SYSTEM provides core services in Resource Recycling, Waste Management, Soil Remediation, and Environmental Consulting. The Company approaches a wide range of Environmental Management & Recycling projects as an Integrated Environmental Company, organically connecting all of the services necessary to tackle environmental risks as a whole.

The Age of Globalization requires us to operate with a global viewpoint about limited resources and fragile environments. DOWA ECO-SYSTEM Co., Ltd. considers the environment globally, and acts locally with communities and business organizations towards the reduction of environmental risks and the realization of a recycling-oriented society.

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DOWA ECO-SYSTEM Core Businesses

Resource Recycling

We are a continually evolving leader and pioneer in the Environmental Management & Recycling Business.

Waste Management

DOWA ECO-SYSTEM has gained the trust of our clients by balancing top-quality environmental efficacy and economic efficiency.

Soil Remediation

DOWA ECO-SYSTEM is the premiere soil remediation company thanks to the synergy of experienced human resources, technological flexibility, and a well-developed infrastructure. Environmental risks are controlled by the most effective methods applicable to the specific task.


Environmental Consulting

DOWA ECO-SYSTEM's consulting branch, E & E Solutions, Inc., acts as an integrated technical consultant to provide solutions for environmental and energy problems.

Global Network for Environmental Management

DOWA ECO-SYSTEM works effectively as an organic combination of service units to provide the optimal solutions for preserving the environment as well as developing the economy.