New Export Control Measures For Items Related To Ultra-hard Materials.

On October 9, 2025, the Ministry of Commerce and the General Administration of Customs jointly issued "Announcement 2025 No. 55," which implements new export control measures for items related to ultra-hard materials. This measure will be officially implemented starting November 8, 2025. The relevant provisions are as follows:

- Controlled items: These include artificial diamond micro-powder with an average particle size of 50 μm or less; artificial diamond single crystals with an average particle size greater than 50 μm but not exceeding 500 μm; specific parameters of artificial diamond wire saws and grinding wheels; and DCPCVD (Direct Current Plasma Chemical Vapor Deposition) equipment and its technological processes. Cultivated diamonds used for decoration and jewelry are not subject to these controls.
- Export authorization requirements: Exporters of the aforementioned items should apply for authorization from the competent department of commerce under the State Council in accordance with the relevant provisions of the Export Control Law of the People's Republic of China and the Regulations on the Export Control of Dual-Use Items of the People's Republic ofChina.
- Import declaration requirements: The export operator is responsible for ensuring the authenticity of the goods being declared. It should strengthen the identification of export items. For items that are subject to control, it must indicate "belongs to dual-use items" and provide the dual-use export control code in the remarks section of the import declaration form. For items that are not subject to control but have parameters, indicators, or performance characteristics that are similar, it must indicate "not subject to control" in the remarks section of the import statement form and provide specific parameters, indicators. Customs will investigate and question the completeness, accuracy, and authenticity of the information provided. During the investigation period, the export goods will not be released.