Kiyoshi Otsubo

Nihon Matai Co., Ltd. engages in the manufacture, processing, and import and export sales of plastic packaging products, paper products, and industrial materials. The company was founded by Masunosuke Uchida in 1907 and is headquartered in Tokyo, Japan.

Tri-Wall Ltd. is a holding company, which engages in the manufacture of packaging materials. The firm offers polypropylene (PP) hollow sheet, paper tubes, pallets, and accessories. It serves the heavy industrial and agricultural sectors. The company was founded in 1974 and is headquartered in Hong Kong.

Founded in 1907, Takigawa Corp. Japan is a subsidiary of Rengo Co., Ltd. that manufactures and sells flexible packaging products. The company is based in Funabashi, Japan. Takigawa Corp. Japan was acquired by Rengo Co., Ltd. on March 30, 2022.

Tri-Wall KK is a holding company with interests in the manufacture and distribution of packaging materials. It operates businesses that specializes in triple-wall corrugated and returnable packaging systems. The firm serves the heavy industrial and agricultural sectors. The company was founded in June 1995 and is headquartered in Tokyo, Japan.