Dongchao (Shanghai) Biotechnology Co., LtdTosoh Bioscience is a wholly-owned subsidiary of Tosoh Bioscience in China, responsible for the sales of Tosoh Bioscience's products in China.

The products of Dongcao (Shanghai) Biotechnology Co., Ltd. include TSKgel that provides all common separation modes ® High performance liquid chromatography column TOYOPEARL ® Pre packed columns for medium low pressure chromatography separation and purification of packing materials, and screening of SkillPak chromatography process methods; And including the newly developed EcoSEC ® Efficient integrated GPC instrument and IC-8100 series ion chromatograph.

TSKgel chromatography column and TOYOPEARL separation and purification packing are widely used in proteins, peptides, polysaccharides, oligosaccharides DNA、 In the analysis, separation, and purification of oligonucleotides, antibiotics, synthetic polymers, natural products, and other small molecular weight compounds. TSKgel and TOYOPEARL products are renowned for their pressure resistance, excellent physical and chemical stability, long service life, and outstanding performance in separation and purification. Since its launch, the product has been highly praised and trusted by a large number of users, and enjoys a good reputation in the fields of biopharmaceuticals, biotechnology, and more.

Dongcao (Shanghai) Biotechnology Co., Ltd. has a well-equipped technical service center, which not only provides pre-sales and after-sales technical support related to products, but also offers services such as customer sample commissioning analysis, purification process development, and popular application development.

About Dongcao Co., Ltd

Dongcao Corporation was founded in 1935 in Zhounan City, Yamaguchi Prefecture, Japan. On this land adjacent to the Seto Inland Sea, after more than half a century of arduous entrepreneurship, Tosa has developed from a single enterprise producing caustic soda and soda ash to a well-known large-scale petrochemical conglomerate in Japan. The company was formerly known as TOYO SODA Industrial Co., Ltd. and was renamed as the current TOYO SODA Corporation in 1987.

Now, in order to realize the corporate philosophy of "achieving happiness and giving back to society through chemical innovation", Dongcao has been based on technological innovation, aiming to become a distinctive chemical enterprise and actively striving to implement a development strategy centered on general chemical products and functional products. The company's products cover various fields such as petrochemicals, inorganic chemicals, fine chemicals, electronic materials, medical diagnostics, and food manufacturing. As of 2024, it has a total of 107 branches worldwide with over 14000 employees.