The Bureau of Industry Security and Import and Export Control of the Ministry of Commerce of the People's Republic of China issued the "Frequently Asked Questions on Dual-Use Items (IV) (Rare Earths)", which defined that primary processed products formed by further simple processing of NdFeB materials containing dysprosium and terbium fall within the scope of control. These products may include magnetic steel, magnetic rings, magnetic stones, etc. However, electronic components (such as motors) or electronic products (such as speakers, headphones, etc.) formed by further deep processing are not within the scope of control.