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12-10 Operation:12-10 Operation:Hold: Yanshan Technology Qinshang shares Dongyi Risheng

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Special statement: personal operation records are not used as any investment advice, so don't blindly buy them! The stock market is risky, so you need to be cautious in investing!Special statement: personal operation records are not used as any investment advice, so don't blindly buy them! The stock market is risky, so you need to be cautious in investing!