Ningbo Songsheng New Material Technology Co., Ltd., established on August 11, 2025, and a subsidiary of Ningbo Defeng Technology, is located in Ningbo, Zhejiang. It is a high-tech enterprise specializing in the research, development, production, and sales of high-end food additives and high-purity inorganic functional materials.The company's core products cover food-grade and electronic-grade calcium powder, including ultra-high purity calcium-based powders such as food calcium carbonate, light calcium carbonate, calcium hydroxide, and calcium oxide. We can customize 3N, 4N, and 5N high-purity powders according to customer needs, providing stable and controllable domestic supply chain support for downstream high-end fields such as electronic ceramics, new energy, and semiconductors.The commissioning of Songsheng New Materials' 20,000-ton annual electronic-grade ultra-high purity calcium carbonate project has made it the first enterprise in China to achieve large-scale production of 4N-grade (purity > 99.99%) calcium carbonate, breaking the long-term overseas monopoly in one fell swoop.