Guoji Jinggong

Export Controls Tighten: Mapping the Superhard Materials Industry Chain

China Finance China HardwareExport Controls, Guoji Jinggong, Huanghe Xuanfeng, Huifeng Diamond, Lens Technology, Liliang Diamond, LONGi, Materials Science, PetroChina, Sifangda, Yujin Diamond, Zhongbing Hongjian

October 14, 2025

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