China National Nuclear Corporation (CNNC) said on June 15 that Chinese scientists have made a key breakthrough in stable isotope enrichment, achieving the country’s first autonomous mass production of silicon‑28 with abundance above 99.99%. CNNC said product performance meets international advanced standards, marking a substantive step toward building an autonomous, controllable and collaboratively efficient stable isotope industry.

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Regions may merge existing differential, tiered and punitive electricity tariffs into a unified differentiated electricity-price scheme, with consolidation to consider capacity/output controls, energy consumption and carbon emissions levels, and environmental performance. Any surcharge on top of market electricity transaction prices would be capped at 0.1 yuan per kWh; surcharge proceeds are to be used to offset system operation costs.