BIG DAISHOWA

BIG DAISHOWA SEIKI CO., LTD. (founded in 1967, Osaka, Japan) is a leading manufacturer of precision tool holders, cutting tools, measuring instruments, and factory automation systems. Known for innovations such as Mega Chucks, Smart Damper, and the BIG-PLUS Spindle System, the company holds the No.1 market share in Japan for tool holders and serves global industries including aerospace, medical, and machine tool manufacturing.