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Yunnan Longyang Jinhua Silicon Products Factory is one of the world's largest producers and wholesalers of high-purity chemical and metallurgical grade silicon metal, silicon powder, manganese metal, and specialty alloys. Trusted by industries globally for consistent quality and reliable supply.
Global Leader in Silicon & Manganese Production
Yunnan Longyang Jinhua Silicon Products Factory, located in Yunnan Province, China, is among the largest producers and wholesalers of high-purity chemical and metallurgical grade silicon metal in the world.
Our main products include silicon metal lumps (97%/553/441/421/411/4105/3303/2202/1101, etc.), silicon metal powder (1μm~10mm), and a full range of manganese and magnesium-based alloys. These materials are widely used in aluminum smelting, steelmaking, chemical, electronics, optics, building materials, and fireproofing industries.
From raw material selection to final product testing and shipment, we implement strict quality control at every stage of production to ensure consistency, purity, and performance.
High-Purity Materials for Industrial Applications
High-purity chemical and metallurgical grade silicon metal in lump form. Grades: 97%, 553, 441, 421, 411, 4105, 3303, 2202, 1101.
Finely ground silicon powder with particle sizes from 1μm to 10mm. Ideal for chemical and metallurgical applications requiring high surface area.
By-product from silicon metal production. Used in construction materials and industrial fillers. Cost-effective and environmentally sound.
Compressed silicon briquettes used as a substitute for FeSi in steelmaking. Ensures efficient alloying and reduced oxidation loss.
New-generation alloy for converters. Replaces traditional ferrosilicon and improves deoxidation efficiency in steel production.
High-purity manganese flakes used in steel and non-ferrous alloy production. Excellent for improving strength and corrosion resistance.
Used as an additive in steelmaking and non-ferrous alloys. Enhances hardness, wear resistance, and tensile strength.
Fine powder form of high-purity manganese. Suitable for use in chemical synthesis, battery materials, and advanced metallurgy.
Manganese-nitrogen alloy that can replace nickel in stainless steel production. Reduces cost while maintaining corrosion resistance.
Lightweight, corrosion-resistant magnesium metal ingots. Used in aerospace, automotive, and alloy manufacturing industries.
Reliable Quality, Global Reach, Industrial Expertise
Our silicon and manganese products meet strict chemical and metallurgical standards for industrial use.
We export to customers worldwide with reliable logistics and on-time delivery.
Full quality control from raw material to final shipment ensures consistency and reliability.
Decades of experience in silicon and manganese production for aluminum, steel, and chemical sectors.
Everything You Need to Know
Silicon metal is primarily used in aluminum smelting to improve strength and corrosion resistance. It is also used in steelmaking, chemical production, solar cells, and as a raw material for silicones and other industrial applications.
We offer a full range of silicon metal grades including 553, 441, 421, 411, 4105, 3303, 2202, 1101, and 97% purity. Custom specifications are available upon request.
Our silicon metal powder is available in particle sizes ranging from 1μm to 10mm. We can customize grinding specifications based on customer requirements.
Yes, we offer product samples for qualified buyers. Please contact us to request a sample with your specifications.
We offer standard packaging in 25kg bags, 1000kg jumbo bags, or custom packaging as per customer requirements. All packaging ensures moisture protection and safe transport.
Contact us for product inquiries, samples, or technical support.
Email: [email protected]
Phone: +86-186-8758-9699
Mawang Village, Banqiao Town, Longyang District, Baoshan City, Yunnan Province, China.
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