SJ Semiconductor (SJ Semi, ) is a MEOL (Middle-End of Line) foundry founded in 2014, from Jiangyin, Jiangsu province, China, involved in 12-inch bumping and wafer testing.
History It was founded through a joint venture between Jiangsu Changjiang Electronics Technology Co., Ltd. (JCET) and SMIC. SJ Semiconductor has raised $920M in 3 founding rounds. In October 2021 its valuation was $1,000M. In March 2024 its valuation was $1.8 billion. It has branch offices in Santa Clara, USA and Shanghai, China. It is listed on the U.S. entity list - the company was added in 2020.https://www.msn.com/en-us/money/markets/globalfoundries-fined-500-000-for-restricted-chip-exports-to-chinese-firm-on-u-s-entity-list-chipmaker-shipped-17-million-worth-of-silicon-wafers-to-china-s-sj-semiconductor/ar-AA1todu1https://www.nytimes.com/2024/11/01/us/politics/globalfoundries-chips-fine-china.html In October 2024 it was announced a $500,000 fine for GlobalFoundries for shipping chips to SJ Semiconductor (chips valued at over $17 million).
On 21 April 2026, SJ Semiconductor debuted on the Shanghai Stock Exchange in its IPO.
See also Semiconductor industry Semiconductor industry in China List of semiconductor fabrication plants
References
External links Official website