Katsumi Mineshige

Plas-Tech Corp. is engaged in the manufacture and sale of plastic materials. It operates through the Compound and Other business segments. The Compound segment manufactures and supplies synthetic resins in the form of pellets, which is used as a raw material for plastic moldings. The Other segment includes generic hose and special molded products businesses. The firm's product offerings encompass vinyl chloride resin compound, polyvinyl chloride (PVC)-based thermoplastic elastomer, PVC-nitrile-based thermoplastic elastomer, polyolefin-based compound, hose, and still-water series. The company was founded on October 31, 1939 and is headquartered in Inashiki-gun, Japan.

Manac Inc. engages in the manufacture and sale of chemical products. It operates through the following segments: Fine Chemical Business, Flame Retardant Business, and Health Support Business. The Fine Chemical Business segment provides functional materials, pharmaceutical products, and intermediates. The Flame Retardant Business segment covers flame retardants for plastic and related products. The Health Support Business segment offers antibacterial agents and raw materials for artificial dialysis. The company was founded on May 17, 1948 and is headquartered in Tokyo, Japan.