Chinatrust Commercial Bank ATM – Inside Wistron Infocomm Branch. Chinatrust had its beginnings in 1966 but with a different name,s China Securities and Investment Corporation, widely known by the abbreviation CTBC. In 1971, its name was changed to Chinatrust Investment Company Limited. Then again in 1992, it was became into what it is known as today, Chinatrust Commercial Bank. Chinatrust is very big with subsidiaries around the world in major metropolitan cities, including Manila. Chinatrust Philippines Commercial Bank Corp. is listed on the Philippine Stock Exchange but is actually a subsidiary of their Taiwan bank.