On December 13, 2023, Glonghui reported that Canqin Technology (688182.SH) stated on the investor interaction platform that its holding subsidiary, Suzhou Pinpu Semiconductors Technology Co., Ltd., mainly applies its products in fields such as high-reliability Semiconductors and national defense technology. Pinpu Semiconductors currently has the mass production capability of thin film circuits and related passive MEMS devices, and some millimeter-wave thin film passive devices have already started mass production. The new generation of ring-shaped composite ceramic substrates and semiconductor thin film substrates currently under development has also begun mass production.