CSMC is a leading 6-inch Chinese IC foundry service company in China, offering IC's manufacturing, foundry management and operating services for Chinese and international markets.

The company provides manufacturing services mainly for CMOS logic, mixed signal, high voltage, non-volatile memory (NVM) and electrically erasable programmable read-only memory (EEPROM) integrated circuits (ICs). CSMC was listed on the main board of The Stock Exchange of Hong Kong Limited on 13 August 2004.