Zhitong Finance App News, *ST Stone Refining (000697.SZ) issued an announcement. The company previously disclosed the default disposition clause of the stock pledged repurchase transaction triggered by shareholder Zhang Zheng. The pledger Open Source Securities Co., Ltd. plans to default on some of its pledged underlying securities through centralized bidding and bulk transactions, involving no more than 17.41.5 million shares pledged. At present, the holdings reduction plan has been implemented, reducing holdings by a total of 2,813,300 shares.