Dear manager,

Hope this email finds you well.

This is Luna from Tianjin Xingyu Fertilizer Industry Co., Ltd. We are a China-based manufacturer and exporter of high-quality Magnesium Sulphate Heptahydrate (MgSO₄·7H₂O) and Light Magnesium Oxide (MgO), which are widely used in Rare earth mining.

Why choose us?

✅ MgSO₄·7H₂O — Non-ammonium In-situ Leaching Agent

Replaces (NH₄)₂SO₄ to eliminate ammonium nitrogen pollution

High REE recovery rate (90%~96%) with good selectivity

Low chloride & low heavy metals — suitable for REE mother liquor purity

Industrial grade / Leaching-grade available (MgSO₄·7H₂O ≥98%)

✅ MgO — Neutralization / Precipitation Agent

Used to precipitate REE from leach liquor (pH adjustment)

Light / Active MgO with fast dissolution, low impurities

✅ Proven Export Experience

Shipped to Europe, SE Asia, Middle East & South Asia

Stable annual capacity 30,000+ MT

Support COA, MSDS, and customized packing (25kg / 500kg / 1000kg jumbo bag)

If your projects are looking for a greener alternative to ammonium sulfate leaching, or a reliable source of Mg-based reagents for REE extraction, please feel free to contact us for more information.

Looking forward to your reply or any inquiry from your engineering team.

Best regards,

Luna