We provide services to separate and recover a variety of metals such as copper, gold, silver, platinum,palladium, lead and zinc from recyclable raw material.

Mitsui Kushikino Kozan Co. is notable for its ability to perform optimal processing matched to the type of recyclable materials being handled. Intermediate products that contain valuable metals that have been recovered are sent to other Mitsui Kinzoku Group companies and made into products.

Kamioka Mining & Smelting Co. covers a very wide range of business consisting of smelting of nonferrous metals, production and sale of electronic materials, use of underground space and recycling business. In particular, lead, precious metals, bismuth and the like are recovered from a variety of recyclable raw materials at the lead recycling plant, which makes use of lead smelting facilities formerly used for the production of lead bullion from mineral ore.

Hibi Smelting Co., Ltd. Hibi Kyodo Smelteing Co., Ltd. Smelter produces high-quality electrolytic copper with cutting edge technology exemplified by such methodologies as the permanent cathode method. Hibi Smelting Co. Hibi Smetler is responsible for the management and indirect departments of the copper smelting business. Hibi Kyodo Smelting Co. Hibi Smetler manages smelting process as a production base of electrolytic copper.

Smelting of both zinc and lead is conducted concurrently at the Hachinohe Smelting Co. in a blast furnace using ISP methodology.
Various recyclable materials and industrial waste materials are processed by drawing on the advantages available from ISP methodology, which can be made to be compatible with a large variety of raw materials. The constituent metals contained in these materials, such as zinc and lead, are recovered as bullion and the other components are rendered as slag and made into products.

Hikoshima Smelting Co. produces chemical products and processed goods that are related primarily to zinc. Zinc slag is utilized as a recyclable raw material.

Miike Smelting Co. recovers valuable metals from zinc industrial waste materials such as steel dust using an MF furnace (semi-blast furnace), which is an original created by Mitsui.

Shanghai Mitsui Xin Yun Precious and Rare Metal Recycle Co. exists for the purpose of completing recycling work within China. It is the first foreign affiliated company to receive official approval to conduct recycling business within the city of Shanghai.