On July 23, 2025, the Ministry of Commerce received an application for an anti-dumping investigation. This application was submitted by the Jiangsu Semiconductor Industry Association, acting on behalf of the domestic analog chip sector. It specifically called for an inquiry into imported analog chips of relevant types originating from the United States. After a thorough review, it was confirmed that the applicant's qualifications, along with the details provided in the application, adhered to all pertinent regulations. Consequently, the Ministry of Commerce made the decision to commence an anti-dumping investigation into imported analog chips of relevant types from the United States, with the investigation set to begin on September 13, 2025.

The period designated for the dumping investigation spans from January 1, 2024, to December 31, 2024. Meanwhile, the investigation into industry injury covers a broader timeframe, from January 1, 2022, to December 31, 2024.

The products under scrutiny are general-purpose interface chips and gate driver chips, all manufactured utilizing process technologies of 40nm and above. This category encompasses not only finished chips but also wafers, dies, and other components that can be employed to produce chips with identical functions. These items are classified under tariff number 85423990 in the Customs Import and Export Tariff of the People's Republic of China.

All interested parties are required to register their participation in the investigation within 20 days from the date of the official announcement. They must submit both electronic and written materials through the designated 'Trade Remedy Investigation Information Platform'.