December 2018, the public prosecutor filed a lawsuit against Suphanan with the Civil Court in the Black Case No. Por. 7633/2561. On 12 November 2019, the Civil Court dismissed the case in the Red Case No
. They created a story that TUCC and Thai Niche sold black steel to BF and ASC. Then, they acted to cause TUCC and Thai Niche to proceed for cheques discounting with a financial institution, claiming to
the Court to impose the civil sanctions on Surin in the Black Case No. Por. 7563/2561 between SEC as plaintiff and Mr. Surin Banyongponglert as defendant. On 16 October 2019, the Civil Court
petition with the Southern Bangkok Civil Court, Black Case No. Por 101/2567, dated 18 January 2024. The petition sought the Court’s order to revoke a share swap contract whereby NUSA shareholders would