正虹科技：公司及控股子公司对外担保总余额为4892.96万元

Group 1 - The total external guarantee amount by Zhenghong Technology and its subsidiaries is 442 million yuan, with a total balance of 48.93 million yuan, accounting for 13.48% of the company's latest audited net assets [1] - The total guarantee amount provided to off-balance sheet entities is 34.84 million yuan, representing 9.6% of the company's latest audited net assets, with no overdue or litigation-related guarantees [1] - As of the report date, Zhenghong Technology has a market capitalization of 2.5 billion yuan [1] Group 2 - For the first half of 2025, the revenue composition of Zhenghong Technology is as follows: feed industry accounts for 82.52%, breeding industry accounts for 16.72%, other businesses account for 0.53%, and other industries account for 0.23% [1]