President and CEO
Ryuki Engineering Inc.
President and Representative Director
KM Biologics Co., Ltd.
President & CEO
Matex Co.,Ltd.
President
Nakao Seisakusho Co., Ltd.
Representative Director
HIRANO MACHINERY WORKS CO., LTD
Takayamakasei Co.,Ltd
President & CEO
Daiichi Jitsugyo Viswill Co. LTD.
Seishin Trading Co, Ltd.
Nihon Genryo Co., Ltd.
Misuzu Seiko Co., LTD.