Tetsuya Yamamoto

Daiseki Co., Ltd. is mainly engaged in the industrial waste disposal business. The Company is engaged in the collection, transportation and intermediate treatment of industrial wastes, the investigation and treatment of contaminated soil, the collection, transportation and recycling of used batteries, the refining of lead, the sale of non-ferrous metal raw materials, tank washing and related services, the collection of volatile organic compounds (VOC) gases, the sludge reduction works, the sale of crude oil washing (COW) machines, as well as the manufacture and sale of petrochemical products. The Company operates Environment-related segment.