High-Purity Magnesium Sulphate Heptahydrate 2-4 mm Crystal: A New Batch Successfully Exported to Global Markets
Magnesium Sulphate Heptahydrate 2-4 mm is a high-grade crystal product with excellent physical and chemical properties. Our manufacturing process adopts advanced crystallization technology, precise screening, sufficient drying, and multi‑stage purification procedures. The finished products feature bright white color, uniform crystal particles, high purity, low impurity content, excellent flowability, high dissolution rate, and strong anti‑caking performance. Each batch undergoes strict laboratory testing, including analysis of purity, particle size distribution, moisture content, pH value, and heavy metal limits, ensuring full compliance with international quality standards for agricultural, industrial, and feed applications. Such strict quality management enables our products to adapt to diverse application scenarios and meet the high requirements of overseas markets.
The application value of 2-4 mm magnesium sulphate crystal is extensive and important, covering agriculture, feed, industry, and other key fields.
In the field of agricultural production and fertilizer manufacturing, magnesium sulphate is an indispensable source of magnesium and sulfur. Magnesium is a central component of chlorophyll and plays a decisive role in crop photosynthesis. Sulfur helps improve crop quality, enhance stress tolerance, and promote nutrient absorption. Our 2-4 mm crystal product is highly suitable for direct application or blending into various fertilizers. It can effectively supplement nutrients for fruit trees, vegetables, grains, cash crops, lawns, and horticultural plants. By promoting root development, enhancing disease resistance, improving fruit quality, and increasing yield, it supports the development of modern high-efficiency agriculture. At the same time, it is widely used as a high-quality raw material for water-soluble fertilizers, compound fertilizers, trace element fertilizers, and foliar fertilizers, providing stable and efficient raw material support for fertilizer enterprises worldwide.
In the feed industry, high-purity magnesium sulphate serves as a safe and essential mineral additive. Magnesium participates in many important physiological processes in animals, including enzyme activation, energy metabolism, nerve conduction, and muscle contraction. Our magnesium sulphate crystal can be used in feed for livestock, poultry, and aquaculture to help improve growth rate, enhance immunity, optimize feed utilization rate, and maintain animal health. With stable composition and low heavy metal indexes, our products meet strict international feed grade regulations and are widely welcomed by feed manufacturers and breeding enterprises.
In industrial applications, magnesium sulphate has stable chemical properties and good compatibility, making it widely used in many sectors. It is applied in water treatment to adjust water quality and improve treatment efficiency. In the printing and dyeing industry, it acts as a mordant and fixing agent to enhance color brightness and fastness. It is also used in leather processing, construction materials, flame retardants, detergent additives, coating additives, and other chemical production fields. The 2-4 mm crystal form has good fluidity and is convenient for automatic dosing, storage, and production use, greatly improving the efficiency of industrial processing.
For international export, we provide safe, standardized, and flexible packaging solutions. The products are usually packed in 25 kg PP woven bags with PE liner, 50 kg bags, or jumbo bulk bags, featuring high strength, good moisture resistance, and durability, which can fully protect the goods during long‑term ocean transportation and complex logistics environments. We also support customized packaging, logo printing, and label design according to customer requirements to meet different market and brand needs.
With years of experience in international trade, our company has established a complete and efficient export service system. We accept various flexible payment methods, including L/C, T/T, D/P, and can provide professional document preparation, customs declaration, and logistics arrangement services. Goods can be shipped from major ports in China with stable schedules and fast delivery cycles. At present, our magnesium sulphate products have been exported to more than 30 countries and regions, including Southeast Asia, South Asia, the Middle East, Africa, and South America, forming long-term and stable strategic partnerships with numerous customers.
In the future, our company will continue to focus on product innovation, process optimization, and quality upgrading. We will further strengthen cooperation with global customers, continuously improve product performance and supply capacity, and provide high-quality products and professional one-stop solutions. Committed to promoting the development of global agriculture, feed industry, and industrial manufacturing, we will become a reliable and trusted long-term partner for customers worldwide.