688820.SS

Last close 76.65000153 on 2026-11-02

About

Founded: 2014 (as SMIC-JCET, renamed SJ Semiconductor in 2021)

Founders: SMIC, JCET (Jiangsu Changjiang Electronics Technology)

SJ Semiconductor provides 12-inch wafer middle-end processing and advanced packaging services, and began as a joint venture of SMIC and JCET in Jiangyin. It listed on the Shanghai STAR Market on 21 April 2026.