Beijing Worldia Diamond Tools Co. Ltd. Class ASSE: 688028

Self-Inspection Report on Trading of Company Shares by Insiders with Knowledge of Inside Information under the 2026 Restricted Stock Incentive Plan and the 2026 Stock Appreciation Rights Incentive Plan

· Issued by Beijing Worldia Diamond Tools Co. Ltd. Class A via Shanghai Stock Exchange
Self-Inspection Report on Trading of Company Shares by Insiders with Knowledge of Inside Information under the 2026 Restricted Stock Incentive Plan and the 2026 Stock Appreciation Rights Incentive Plan

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