Global Supplier of Silica Fume, Fly Ash & Concrete Materials from China
Miningsun is a Beijing-based manufacturer and exporter of high-performance industrial minerals — supplying concrete batching plants, cement producers and precast manufacturers across 30+ countries with consistent, certified quality.
Miningsun by the Numbers
High-Performance Construction Additives & Industrial Minerals
Six core product lines, each manufactured to international standards and backed by full traceability — ready for export in container loads or jumbo bags.
Silica Fume (Microsilica)
Ultra-fine pozzolan delivering exceptional compressive strength, low permeability and chemical resistance for high-strength concrete and shotcrete applications.
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GGBFS
Ground Granulated Blast Furnace Slag — a premium supplementary cementitious material for high-performance, durable concrete with reduced carbon footprint.
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Fly Ash
Coal fly ash for cement blending and concrete production — improves workability, reduces heat of hydration and enhances long-term durability.
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Vermiculite
Lightweight expanded vermiculite for fireproofing, insulation, horticulture and lightweight concrete — sourced from premium Chinese deposits.
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Bentonite
High-yield bentonite clay for drilling fluids, foundry binders, civil engineering slurry walls and waterproofing applications.
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Silica Flour
Finely ground crystalline silica for refractory, ceramic, oil & gas cementing, and high-performance concrete applications.
View Specifications →The Reliability International Buyers Demand
From sourcing to delivery, every step of our process is engineered for export-grade consistency and zero surprises at your port.
Premium Quality Control
Every batch tested in-house and certified to ASTM, EN or GB/T standards. Mill Test Certificates issued with every shipment.
Custom Packaging Solutions
25kg PP bags, 1000kg/1250kg FIBC jumbo bags, container liners or private-label packaging — tailored to your market.
Global Sourcing & Export
Established supply chain across 30+ countries with shipping from Tianjin, Qingdao and Shanghai under FOB, CFR or CIF terms.
Complimentary Sampling
Free product samples shipped to qualified buyers for laboratory testing and quality verification before order placement.
24/7 Expert Support
Dedicated multilingual sales team responsive to your inquiries via email, WhatsApp and WeChat — across all time zones.
Competitive Factory Pricing
Direct-from-factory pricing with no middlemen — transparent quotations and volume discounts for long-term partners.
Powering Construction & Industry Worldwide
Our materials are specified by leading contractors, manufacturers and engineering firms across diverse sectors.
Certified to International Standards
Our products are tested and certified to the standards your engineers and procurement teams require.
Buyer Guides & Resources
Pricing, Import & Selection Guides by Product
Compare grades, check FOB China price factors, and review the import process for each material before you request a quote.