Yoshita - Vietnam CNC Machining Your ASEAN CNC Machining Partner, ISO 9001 Certified : Yoshita's precision machined parts are made in Vietnam or Taiwan, AS 9100 certified, and exported to overall the world. Your ASEAN CNC Machining Partner, ISO 9001 Certified : Yoshita's precision machined parts are made in Vietnam or Taiwan, AS 9100 certified, and exported to overall the world.