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19:54, 21-Sep-2023
Henan keeps investing in lab-grown diamonds
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Central China's Henan province is well known for its manufacturing of lab-grown diamonds. On Wednesday, the 2023 Diamond Industry Conference has begun in its capital of Zhengzhou.
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Copyright © 2023 CGTN. 京ICP备16065310号
Disinformation report hotline: 010-85061466