J Mate. Holdings

Business management of the J Mate Group

J Mate. Copper Products

Copper alloy casting and processing business

Niigata N.B. Processing

Lead reduction treatment (NPb treatment) for copper alloy products and brass products

Joetsu Materials

Recycling business and dismantling business

Joetsu High Key

recycling business

J Mate. biomass circulation

Biomass resource conversion business

Shinano Environmental Improvement

Recycling business and dismantling business

J Mate. Landcom

Real estate business, sports facility management business

white wave

Batting Center/Futsal Court

J Mate. engineering

Industrial machinery design and manufacturing business