Denka Company Limited is mainly engaged in the manufacturing of chemical products. The Company has five business segments. The Elastomers and Functional Resin segment offer chemical products, such as styrene monomer, polystyrene plastic, acrylonitrile butadiene styrene (ABS) plastic, transparent resin, acetic acid and vinyl acetate, among others. The Infrastructure and Social Solution segment offer fertilizers, carbide, refractory products, cement and specialty admixtures. The Electronics and Advanced Products segment offers molten silica, electronic circuit cards, fine ceramics and electronic packaging materials, among others. The Life and Environment Products segment offers food packaging materials, housing materials, industrial materials. The Life Innovation segment provides vaccines, joint function improvers, diagnostic agents and others. The Others segment is engaged in the plant engineering, wholesale businesses. The product of Denka Company includes two types: FB Grade and FBX Grade (Low Uranium type). It is the largest manufacturer and market share is about 34% in 2019. 

    Nippon Steel Chemical & Material Co., Ltd. manufactures and distributes chemicals. The Company produces carbon black, industrial gases, diviniy benzens, special solvents, styrene monomer, phenol, lubricants, and other products. Nippon Steel Chemical & Material also produces metal substrates and other products. It is the second manufacturer and the market share is about 31% in 2019.

    Tatsumori is a specialized maker for silica, an ingredient for semiconductor seal material (protection material of elements). The company responds to semiconductor demands for high integration and high function and covers all fillers used in electronic devices and semiconductors as a large company in the industry. The company is the pioneer as a filler ingredient manufacturer. Partnering with large domestic semiconductor seal material makers, the company realized sphere shapes for activating silica’s original characteristics such as low thermal expansion, electrical insulation, and low moisture absorption, and developed high purity and various non-organic fillers first in Japan as a semiconductor seal material specialized maker. The product of Tatsumori includes three types: MSR Grade, MSV Grade and FINE Grade. Its market share is about 13% in 2019.

    Admatechs is a leading company in developing and manufacturing advanced materials, out of which ADMAFINE is the corporate brand products that consists of microscopic spherical oxide particles produced by oxidizing metal powders using an original technique known as the VMC method. The company, headquartered in Aichi, was jointly founded by Toyota Motor Corporation and Shin-Etsu Chemical Corporation in 1990. The product of Admatechs includes two type: SO-C type (regular) and SO-E type (low-alpha beam). Its market share is about 6% in 2019.

    Jiangsu Yoke Technology Co., Ltd is a The china-based company principally engaged in the research, development, production and sale of organic phosphate flame retardants and other rubber and plastic aids. The Company’s main product portfolio consists of flame retardants for engineering products, flame retardants for polyurethane and others. The Company's flame retardants are mainly applied in chemical materials, carpets, raincoats, textile products and rubber products. The Company also provides tin salts, silicon oil and amine products, silicone surfactant for polyurethane, as well as catalysts for polyurethane and others. The Company distributes its products in domestic markets and to overseas markets. Its market share is about 5% in 2019.

    Novoray Corporation is a China-based company mainly engaged in the research, manufacturing and sales of silicon powder products. The Company's main products include fused silica powder, crystalline silicon powder and spherical silica powder. The products are mainly applied to electronic materials, electrical insulation materials, special ceramics, precision casting, paint coatings and other fields. Its market share is about 4% in 2019.

    Triumph Science & Technology Group Company Limited manufactures glass products. The company produces and sells ultra-thin glasses, conductive film glasses, photovoltaic glasses, energy-saving glasses, float glasses, and other products. Triumph Science & Technology Group also produces new energy materials, new energy products, advanced equipment, and other products. Its market share is about 1% in 2019.