Sanan Optoelectronics controversies

Controller Lin Xiucheng Placed Under Residential Surveillance, Later Criminally Detained on Suspicion of Embezzlement and Misappropriation

In 2026, Sanan Optoelectronics' actual controller Lin Xiucheng was first placed under residential surveillance (liuzhi), and in September the company announced that he had been criminally detained by police on suspicion of occupational embezzlement and misappropriation of funds. The entry covers procedural developments in the investigation of the same individual and does not treat this as a finding that he has been sentenced.

General Manager Lin Kechuang Placed Under Residential Surveillance; Restrictions Lifted in October and Duties Resumed

In April 2026, Sanan Optoelectronics Vice Chairman and General Manager Lin Kechuang was placed under residential surveillance (liuzhi) and a formal investigation was opened. On October 7, the company disclosed that the residential surveillance had been lifted and that he could resume his normal duties. The entry fully preserves the subsequent developments and does not present the residential surveillance as a guilty verdict.

San'an Optoelectronics sues Huacan Optoelectronics over patents

Lawsuit filed

San'an Optoelectronics filed two patent-infringement lawsuits against Huacan Optoelectronics and its subsidiaries, alleging infringement of two patents and seeking RMB 80 million in compensation. Huacan said its preliminary analysis found that its products did not infringe and that it had retained lawyers to respond; the court had accepted the case.