Core Viewpoint - The Ministry of Commerce of China has initiated an anti-dumping investigation into imported medical CT X-ray tubes and their cores from the United States and India, as announced in a notification on April 29, 2025 [1][2]. Group 1: Investigation Details - The investigation targets medical CT X-ray tubes classified under the tariff code 90223000, excluding other products under this code [1]. - The notification specifies that the investigation questionnaire is divided into three categories: one for foreign exporters or manufacturers, one for domestic producers, and one for domestic importers [1][2]. Group 2: Questionnaire Submission - Relevant stakeholders are required to complete and submit the questionnaire within 37 days from the date of the notification [2]. - Failure to submit the questionnaire or non-compliance with the regulations may result in the investigation authority making a decision based on available facts and best information [2].