Shengtaifert promotes 99.5% magnesium sulfate heptahydrate for agriculture and feed

Tianjin Shengtai Chemical Co., Ltd. is highlighting a 99.5% purity magnesium sulfate heptahydrate product for crop nutrition, livestock feed and industrial uses. The company says the material is designed for fast solubility, low contaminants and export-ready packaging from Tianjin, China.

Why it matters: - Magnesium sulfate heptahydrate supplies magnesium and sulfur, two nutrients used in photosynthesis, crop growth and animal nutrition. - The product targets growers, feed compounders and industrial buyers that need high-purity mineral input with stable international logistics. - Shengtaifert says direct factory sourcing can reduce intermediary costs and improve access to batch documentation and export records.

What happened: - Tianjin Shengtai Chemical Co., Ltd. announced its 99.5% purity magnesium sulfate heptahydrate offering on October 19, 2026. - The company is based in Tianjin, China, and was established in 2000. - Shengtaifert positions itself as a manufacturer and international exporter of chemical fertilizers for agricultural, livestock and industrial customers. - The company provided a website for product data sheets and quotations: More information.

The details: - Shengtaifert says the product is made through controlled neutralization of high-purity magnesium oxide with sulfuric acid, followed by multi-stage crystallization and centrifugal separation. - The formulation is listed at a minimum 99.5% MgSO4·7H2O purity, with at least 16.0% MgO and at least 12.8% sulfur. - The product is described as 100% water soluble and designed for drip fertigation, hydroponics and foliar sprays. - For animal nutrition, Shengtaifert says the material can be used in feed premixes as a magnesium source. - Insoluble matter is listed at 0.02% or less. - Iron is listed at 0.0015% or less, and chlorides at 0.01% or less. - The company says the low residue profile is intended to reduce emitter clogging, precipitate formation and salinity stress. - The product is described as having a stable aqueous pH range of 5.0 to 9.0. - Shengtaifert says it offers crystal sizes from 0.1 to 1.0 mm, 1 to 3 mm, 2 to 4 mm and 4 to 7 mm. - The company says lead is kept at 5 ppm or less, arsenic at 2 ppm or less and cadmium at 2 ppm or less. - Shengtaifert says production follows ISO 9001 quality management practices and lot testing includes ICP-OES and atomic absorption spectroscopy. - The company says batches comply with EU REACH and U.S. FDA registration standards. - Shengtaifert says the material also serves chemical synthesis, textile conditioning, paper manufacturing and healthcare-related uses.

Between the lines: - The product pitch is built around supply-chain confidence as much as chemistry. - The company emphasizes purity, trace-metal control and packaging because those factors can determine whether a fertilizer or feed ingredient is usable at scale. - The export messaging suggests Shengtaifert is aiming at buyers who want a single supplier for both technical specs and shipping support.

What's next: - Shengtaifert is asking buyers to review technical data sheets, request batch certificates of analysis and seek factory-direct quotations through its export portal. - The company says it supports 25 kg and 50 kg bags, 1000 kg and 1250 kg jumbo bags, and mixed-container shipments with other fertilizers. - Shengtaifert says it accepts L/C and T/T payment terms and offers private labeling for distributors. - The company also directs visitors to its YouTube channel: Company video channel.

The bottom line: - Shengtaifert is marketing a high-purity, export-ready magnesium sulfate product for buyers who prioritize nutrient availability, low contaminants and containerized global delivery.