SMM Group's Business

Construction Materials Business

• Siporex (ALC) : Sumitomo Metal Mining Siporex Co., Ltd. (Japanese Version Only)

Recycling Business

• Water Recycling
• Recycling of Precious Metals

Environmental Business "Water Treatment"

• Consulting
• N-Free (N) for Nitrate-Nitrogen / Nitrite-Nitrogen
• N-Free (A) for Ammonia Nitrogen and Volatile Organic Nitrogen / COD
• F-Free for Fluorine
• Water Recycling
• Other Solutions / Examples of Proposals

Environmental Business "Environmental Preservation"

• Environment-Related Engineering
• Environment Analysis

Others

• Lubricant : Sumico Lubricant Co., Ltd.
• Sterilization by irradiation : Japan Irradiation Service Co., Ltd. (Japanese Version Only)

SMM Group