Electronic-grade 4N light calcium carbonate (99.99%, flagship product, highlighted)
• Core: Domestic mass production of 4N high-purity calcium carbonate, with fully enclosed synthesis process and ppb-level impurity control
• Applications: high-end automotive-grade MLCC, semiconductor packaging, 5G high-frequency materials, aerospace specialty ceramics
• Core highlights: Ten years of formula research and development, replacing imports, significantly reducing downstream material costs, providing third-party testing reports, and supporting sample testing