Saint-Gobain is a French company that produces a variety of construction, high-performance, and other materials. The company is the largest Hexagonal Boron Nitride Powder manufacturer in the world and its market share is about 29% in 2019.

    Showa Denko is a Japanese chemical company producing chemical products and industrial materials. Its products serve a wide array of fields ranging from heavy industry to the electronic and computer industries. The company is divided in five business sectors: petrochemicals (olefins, organic chemicals, plastic products), aluminum (aluminum cans, sheets, ingots, foils), electronics (semiconductors, ceramic materials, hard disk drive platters), chemicals (industrial gases, ammonia, agrochemicals), and inorganic materials (ceramics, graphite electrodes). The company is the second-largest Hexagonal Boron Nitride Powder manufacturer in the world and its market share is about 16% in 2019.

    Denka is a Japanese chemical company that manufactures organic and inorganic chemicals, cement, special cement additives, electronic component transfer materials and food packaging materials. The company is the third-largest Hexagonal Boron Nitride Powder manufacturer in the world and its market share is about 10% in 2019.

    TANYUN Chemical was founded in 1971. It's a professional committed to the fine chemical products, polyurethane foam gap filling agent, PVB, chlorinated paraffin, aerosol cans, military and civil products development and production of research production enterprise. The products are widely used in construction, industry, daily chemical, medicine and other fields. Its market share is about 7% in 2019.

    Mizushima Ferroalloy manufactures ferroalloys. The Company manufactures and sells ferromanganese, silicon-manganese, and other manganese-based ferroalloys. Mizushima Ferroalloy also manufactures and sells special ceramics and electronic materials, smelts, processes, and sells non-ferrous metals, as well as sells related technology. Its market share is about 6% in 2019.

    Momentive is a global leader in silicones and advanced materials, with a 75-year heritage of being first to market with performance applications for major industries that support and improve everyday life. The Company delivers science-based solutions by linking custom technology platforms to opportunities for customers. Momentive is an indirect wholly-owned subsidiary of MPM Holdings Inc. Its market share is about 6% in 2019.

    Xinfukang is a new high-tech enterprise in inorganic chemical material field, Xinfukang has been specialized in the R&D, production and sales of nitride ceramic materials over the years. The major products include hexagonal boron nitride (HBN) powder and its products, aluminum nitride powder, silicon nitride powder, nitride composite ceramics. At present, Xinfukang has been a producer with the largest production and sales volume of HBN powder in China. Its market share is about 5% in 2019.