Core Points - ST Nanchuan's subsidiary Sichuan Nanchuan Pipe Co., Ltd. is involved in an arbitration dispute with Sichuan Hengcheng Tongtai Building Technology Co., Ltd. regarding a construction contract [1][2] - Sichuan Hengcheng Tongtai has filed a request to the Sichuan Provincial Intermediate People's Court to overturn a previous arbitration decision that ruled the arbitration committee had no jurisdiction [2] Summary by Sections - **Arbitration Dispute**: The dispute originated from a claim by Sichuan Hengcheng Tongtai for overdue project payments amounting to 14.602 million yuan, plus interest calculated at a rate of 4.65% since October 10, 2020, leading to a total claim of approximately 17.571 million yuan including interest [1] - **Court Proceedings**: On November 18, 2025, Sichuan Nanchuan received a summons from the court regarding the request to annul the arbitration decision and to allow the arbitration committee to continue the case [2] - **Company's Response**: ST Nanchuan has stated it will continue to monitor the situation and fulfill its information disclosure obligations [2]