Magnesium Sulphate Heptahydrate 1-3mm (MgSO₄·7H₂O), commonly known as Epsom Salt, is a high-purity, fully water-soluble crystalline compound produced by Tianjin Xingyu Fertilizer Industry Co., Ltd. Specially screened to ensure a uniform crystal size of 1-3mm, this product features superior physical fluidity, low moisture content, and outstanding resistance to caking compared to traditional fine powders. It serves as a premium source of bioavailable magnesium and sulfur across agriculture, personal care, animal nutrition, and industrial processing worldwide.
Technical Specifications:
Uniform Granular Crystal (1-3mm): The consistent particle size prevents segregation when blended with other granular fertilizers and eliminates dust during mechanical spreading or repacking.
100% Rapid Water Solubility: Dissolves completely and rapidly in water without leaving any insolubles or residue, guaranteeing smooth operation in drip irrigation and fertigation systems.
High Nutrient Bioavailability: Supplies essential Magnesium—the central element of chlorophyll—to stimulate photosynthesis, along with sulfur to aid amino acid and protein synthesis in plants.
Why Choose Tianjin Xingyu? (Factory Advantages)
30+ Years of Manufacturing Expertise: Established in 1993, Tianjin Xingyu Fertilizer Industry Co., Ltd. has grown into a globally trusted manufacturer specializing in the magnesium sulfate series, with decades of experience supplying over 30 countries across Europe, North America, Southeast Asia, and South America.
Integrated Supply Chain & Raw Material Security: Xingyu owns its raw magnesium mine base in Liaoning Province, ensuring direct control over raw material quality, consistent chemical purity, and stable production costs regardless of market fluctuations.
Massive Capacity & Production Flexibility: With an annual output exceeding 100,000 MT, our automated manufacturing lines can handle high-volume bulk orders while offering flexible particle size screening (0.1-1mm, 1-3mm, 2-4mm, 4-7mm) to match your exact market demand.
Strict QC System & Global Certifications: Operating under an ISO-certified management system, our state-of-the-art laboratory performs rigorous batch-by-batch testing for purity, heavy metals, and particle distribution. Our products comply with international standards and hold EU REACH registration, facilitating smooth customs clearance for European importers.
Prime Logistics Location (Tianjin Port Proximity): Located in Tianjin, our facility is just a short distance from Tianjin Port (Xingang Port)—one of Northern China's largest maritime hubs. This geographic advantage drastically reduces inland freight costs, speeds up container delivery, and enables flexible vessel scheduling for prompt shipping.
Comprehensive OEM & Custom Packaging: We provide versatile packaging solutions, including 25kg, 50kg PP/PE woven bags, jumbo bags (1,000kg / 1,250kg), and custom private-label printing tailored to your brand's promotional needs.
Packaging: 25kg/50kg PP woven bags with inner PE liner, 1,000kg/1,250kg jumbo bags, or custom buyer packaging.
Storage: Store in a cool, dry, and well-ventilated warehouse. Keep containers tightly closed and shielded from direct moisture, heat, and sunlight.
