Magnesia Powder (MgO)
High-purity magnesium oxide powder for refractory manufacturing, chemical synthesis, and industrial applications. MgO content: 85-98%.
- Light-burned & Dead-burned grades available
- Bulk & bagged supply options
Factory-direct magnesia-based refractories from China's "Magnesium Capital" -- Liaoning. Serving global steel mills, metallurgical & high-temperature industrial enterprises with 29+ years of proven reliability.
Located at the source of China's finest magnesia ore, Mingsheng combines 29 years of manufacturing expertise with advanced R&D capabilities to deliver premium refractory solutions to global industrial buyers -- with full traceability and consistent quality. China professional manufacturer & supplier of refractory bricks, unshaped refractories and magnesia chemicals. delivering high‑quality raw materials & one‑stop solutions for global high‑temperature industrial Kilns.
Located in Liaoning -- China's "Magnesium Capital" -- securing the highest-grade magnesite ore at competitive costs with full supply chain control.
ISO 9001-certified quality management with proprietary testing systems ensuring every batch meets international industrial standards.
60,000 m² self-owned facility with proprietary production lines delivering 50,000 tons annually -- built for bulk B2B supply reliability.
Nationally recognized for quality, service, and credibility since 1997 -- a trusted partner for global steel mills and industrial enterprises.
Comprehensive product lines covering shaped bricks, unshaped refractories, and chemical-grade magnesia powders -- all factory-direct.
High-purity magnesium oxide powder for refractory manufacturing, chemical synthesis, and industrial applications. MgO content: 85-98%.
High-density fired magnesia bricks for steel converter linings, electric arc furnaces, and ladle applications with superior slag resistance.
Advanced spinel bricks offering excellent thermal shock resistance and mechanical strength for cement rotary kilns and non-ferrous furnaces.
Monolithic castable refractories for complex furnace geometries. Low-cement, ultra-low-cement, and no-cement formulations available.
High-performance gunning mixes for hot repair of steel converters, EAF, and ladles. Excellent adhesion and minimal rebound loss.
High-alumina mullite and fireclay bricks for blast furnaces, hot blast stoves, and glass tank furnaces. Stable performance at sustained high temperatures.
Our magnesia refractory products are trusted across the world's most demanding high-temperature industrial environments.
Converter linings, EAF, ladles, tundishes -- magnesia bricks & gunning mixes for steelmaking critical applications.
Primary market -- BOF, EAF, ladle, tundish lining solutions
Copper, aluminum, lead & zinc smelting furnace linings requiring superior chemical resistance and thermal stability.
Copper, aluminum, lead & zinc smelting furnace solutions
Rotary kiln burning zone linings using spinel bricks and magnesia-chrome bricks for extended service life.
Rotary kiln burning zone & transition zone linings
Tank furnace linings, regenerator chambers, and feeder channel refractories for float glass and specialty glass production.
Tank furnaces, regenerators & feeder channel refractories
High-purity MgO powder for chemical synthesis, flame retardants, environmental treatment, and specialty chemical applications.
High-purity MgO for chemical synthesis & flame retardants
Magnesia powder and granules as raw material supply for downstream refractory manufacturers and distributors worldwide.
Raw magnesia supply for downstream refractory manufacturers
From raw magnesite ore processing to finished refractory products, Mingsheng controls every step of the supply chain -- ensuring consistent quality, competitive pricing, and reliable delivery for global bulk buyers.
Technical team collaborates with buyers to develop custom product formulations meeting exact application requirements and international standards.
Every batch undergoes chemical composition analysis, physical property testing, and dimensional inspection before shipment with full COA documentation.
Bulk bags, palletized, containerized -- tailored to buyer needs. Experienced in FOB, CIF, CFR export terms with major port access from Yingkou & Dalian.
Dedicated technical engineers provide installation guidance, troubleshooting, and performance optimization support for long-term partnerships.
From Southeast Asia to the Middle East, Europe to the Americas -- Mingsheng supplies industrial enterprises in every major heavy-industry region.
"Refractory quality directly impacts kiln uptime and safety. Substandard materials mean costly shutdowns -- we choose suppliers we can verify and trust."-- Steel Mill Equipment Manager
"Factory-direct pricing from Liaoning gives us a significant cost advantage versus buying through intermediaries -- with no compromise on product spec."-- Overseas Distributor, Southeast Asia
"Consistent batch quality, on-time shipment, and responsive technical support -- these are the factors that make Mingsheng a long-term supply partner."-- Procurement Head, Cement Group
Tell us your application, required specifications, and annual volume. Our technical sales team will respond within 24 hours with a competitive factory-direct quotation.
Factory-direct pricing · ISO certified · 29+ years of export experience