Siam DENSO Manufacturing Co., Ltd. (SDM) celebrated Ground Breaking of a new plant at Amata City Chonburi to expand production of current fuel injection systems production facility. Opened in 2002, Siam DENSO Manufacturing at Amata City Chonburi is the third largest production base in the world for common rail systems and the first in Thailand. The new plant will manufacture fuel injection system products that aim to serve as the ASEAN Group production base in Thailand.