• Amtech International is your solution to growing your business with Japan-based customers in North America, Japan, and China. The Japanese OEMs expect a presence in Japan to support their vehicle developments in Japan. Amtech International can extend your international business development resources without the high cost: We specialize in interfacing and negotiating with customers on commercial and technical issues. If necessary, we can assist you in developing partnerships with Japanese suppliers. Positioning your company to win targeted programs is our job