Tantalum products can be divided into tantalum and its alloys, tantalum carbides, tantalum oxides and tantalum alcohol salts in terms of broad product categories. At present, the highest proportion of downstream tantalum products is capacitors, accounting for about 60% of the world's tantalum production. Tantalum has excellent physical and chemical properties, and its downstream applications are very broad, and can be found in applications with strict requirements for materials. Tantalum and its alloys are used in capacitors, high temperature products, targets, weapons, corrosion-resistant products, aerospace industry, gas trapping agents; tantalum carbide is mainly used in cemented carbide, because tantalum has a strong corrosion resistance, tantalum carbide can improve the hardness, strength, melting point of cutting tools, abrasives, but due to the high cost of tantalum carbide, tantalum niobium composite carbide is often used abroad to replace a single tantalum carbide; tantalum oxide is mainly used for the manufacture of artificial crystals, and tantalum oxides are mainly used for the manufacture of artificial crystals. Tantalum oxide is mainly used for the manufacture of artificial crystals, catalysts, targets, tantalum alcohol salt is used as ceramic materials.