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Star Grace Mining Co., Ltd. – ISO9001, ISO14001, FAMI-QS certified manufacturer and exporter of high-purity Magnesium Oxide, Magnesium Sulphate Heptahydrate, Kieserite, and industrial chemicals. Trusted by partners across Latin America, Southeast Asia, and Europe.
Annual Export Capacity
Weekly from Dalian Port
Magnesite Mine Longevity
Established in 1990, Star Grace Mining Co., Ltd. is a leading Chinese manufacturer and exporter of Magnesium Oxide (MgO), Magnesium Sulphate Heptahydrate, Kieserite, and a wide range of industrial and agricultural chemicals. Our vertically integrated operations include mining, processing, and global logistics, ensuring consistent quality and supply.
With our magnesite mine capable of continuous exploitation for over a century and state-of-the-art production facilities upgraded in 2018, we meet strict environmental standards set by China's Ministry of Environmental Protection. We are committed to sustainable and eco-friendly manufacturing.
Star Grace offers a comprehensive range of high-purity mineral fertilizers, animal feed additives, and industrial chemicals. All products are manufactured under strict quality control and certified for international standards.
High-purity MgSO₄·7H₂O for agricultural, industrial, and pharmaceutical applications. Ideal for fertilizer blending and water treatment.
Reactive MgO for soil correction and crop nutrition. Enhances chlorophyll production and improves yield in magnesium-deficient soils.
Monohydrate magnesium sulphate in powder and granular form. Slow-release magnesium source ideal for long-term soil amendment.
High-quality MgO for animal nutrition. Prevents grass tetany in ruminants and supports metabolic health in livestock.
Essential phosphorus and calcium source for poultry, swine, and ruminants. Improves bone development and feed efficiency.
Highly soluble zinc source for animal feeds and fertilizer formulations. Supports immune function and enzyme activity.
Iron supplement for animal nutrition and soil correction. Prevents anemia and improves chlorophyll synthesis in plants.
Used in animal feed to buffer rumen pH and in industrial processes as a mild alkali. Food and feed grade available.
Reliable supply, certified quality, and global logistics expertise.
ISO9001, ISO14001, FAMI-QS, and REACH registered. Full traceability and batch testing.
188,000 MT/year capacity. 250+ containers weekly from Dalian. Serving LATAM, SEA, EU.
Order confirmation within 12 hours. Shipment updates, loading photos, and documents provided promptly.
Available in 20kg, 25kg, 50kg, and 1000kg (jumbo bags). Custom packaging options on request.
Magnesium Sulphate Heptahydrate (MgSO₄·7H₂O) contains seven water molecules and is highly soluble, ideal for fast-acting applications. Kieserite (MgSO₄·H₂O) has one water molecule and acts as a slow-release magnesium source for long-term soil correction.
Yes, our feed-grade products including Magnesium Oxide Feeds, DCP, and Zinc Sulphate are FAMI-QS certified, ensuring compliance with EU feed safety regulations.
Our primary markets include Latin America, Southeast Asia, and Europe. We have established logistics channels to ensure timely delivery to these regions.
We follow ISO9001 and ISO14001 standards with in-house QC labs, batch testing, and full documentation. All shipments include COA, MSDS, and packing lists.
Yes, we offer custom packaging in various sizes including jumbo bags (1000kg), 50kg, 25kg, and 20kg. Contact us for specific requirements.
Contact Star Grace Mining for product inquiries, pricing, and samples.
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