宸展光电：本次担保提供后，公司及控股子公司对外担保总余额约为1.69亿元

Group 1 - The core point of the announcement is that Chanzhan Optoelectronics has signed a guarantee contract to provide a financial guarantee for its subsidiary TPKAUTOTECH, with a maximum principal limit of 30 million RMB [1] - The total amount of external guarantees provided by the company and its subsidiaries after this guarantee will be approximately 169 million RMB, which accounts for 11.08% of the company's most recent audited net assets [1] - All guarantees mentioned are provided to entities within the consolidated financial statements, and no guarantees have been provided to entities outside the consolidated scope [1]