Magnesium Sulfate / Sulphate Heptahydrate (MgSO₄·7H₂O) Manufacturer & Supplier
Tianjin Xingyu Fertilizer Industry Co., Ltd. (XYF) is a premier direct manufacturer and global exporter of high-purity magnesium sulfate heptahydrate (MgSO4 7H2O) in China. With an annual production capacity exceeding 100,000 MT, our dedicated raw material mining base in Liaoning, and close proximity to Tianjin Port, we supply premium heptahydrate magnesium sulphate to over 30 countries across Asia, Europe, and the Americas with competitive direct factory pricing and stable shipping schedules.
Our magnesium sulphate heptahydrate (commonly known as Epsom salt) is available in multiple purity grades and customizable crystal particle sizes (0.1–1mm, 1–3mm, 2–4mm). These customized mesh sizes guarantee maximum water solubility, excellent fluidity, and superior anti-caking performance during long-distance ocean freight and storage.
Technical Specifications & Applications
Agricultural Grade Magnesium Sulphate Heptahydrate:
Main Content: MgSO₄·7H₂O ≥ 99.0% / 99.5%
Nutrient Content: Mg ≥ 9.8% (MgO ≥ 16.2%), Water Soluble S ≥ 12.8%
Application: Water-soluble fertilizer, fertigation, foliar spray, NPK fertilizer blending.
Industrial Grade Magnesium Sulfate:
Main Content: MgSO₄·7H₂O ≥ 99.5% (Water Insoluble Matter ≤ 0.02%)
Application: Leather tanning, textile processing, ABS resin manufacturing, detergent processing, and industrial wastewater treatment.
Feed Grade Heptahydrate Magnesium Sulphate:
Main Content: MgSO₄·7H₂O ≥ 99.5% (Strict Control: Pb ≤ 10ppm, As ≤ 2ppm)
Application: Mineral nutrition additive for poultry, livestock, and aquaculture feed premixes.
Quality Assurance & Export Logistics Support
Every shipment of our magnesium sulfate is manufactured under stringent ISO 9001 quality management systems and fully REACH registered for seamless European market access. Each order is delivered with comprehensive batch Certificate of Analysis (COA) and MSDS documentation.
We provide versatile packaging solutions tailored to your international transport needs: 25kg/50kg PP/PE woven bags, 1000kg to 1250kg Jumbo Bags (with bottom spout option), along with OEM private label bag printing and palletized stretch wrapping for safe handling.
Global Supply Chain & How to Order
We offer flexible shipping terms including FOB, CFR, CIF, and DDP to support global importers, distributors, and large-scale industrial buyers. Our factory location near Xingang Port (Tianjin Port) ensures prompt container loading and low inland transport costs, enabling fast delivery times for both FCL (Full Container Load) and customized bulk shipments.
To request a formal quotation, COA test reports, or free product samples, please contact our chemical sales team today. We provide 24/7 inquiry response and professional technical guidance for your target applications.
