About the factory
Shandong
Useen Calcium Co., Ltd.
Shandong Useen Calcium Co., Ltd. specializes in a range of products, including nano-scale calcium carbonate, food-grade calcium carbonate, calcium oxide, calcium hydroxide, and light calcium carbonate. Our company owns 17 fully automated calcium oxide production lines, three calcium hydroxide production lines, and nine calcium carbonate production lines. Its annual output is 200,000 tons for nano-calcium carbonate, 200,000 tons for calcium hydroxide, 160,000 tons for light calcium carbonate, 360,000 tons for heavy calcium carbonate, and 1 million tons for calcium oxide.
about usResearch, Innovation & Collaboration
Diverse Applications
Welcome to Useen
Our materials are used across a wide range of industries including PVC pipes, automotive primers, paper, printing inks, wires and cables, sealants, rubber products, tyres, and more. Our clients rely on us for consistency, tailored solutions, and support in scaling their operations without compromising on quality. Our company is the first in China to apply nano calcium carbonate to PE blow molding products, which can replace traditional filling materials and has excellent performance.


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Nearly 20 years of experience in manufacturing calcium carbonate solutions
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Massive production capacity and world-class infrastructure
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Strong R&D capabilities with academic partnerships
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Reliable international exporter with consistent quality assurance
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Strategically located for fast and efficient logistics
Get In Touch
At Shandong Useen Calcium Co., Ltd., we are committed to creating value through innovation, quality, and long-term partnerships. We welcome global customers to collaborate with us and experience the strength of a truly dependable calcium solutions provider.
