Since its establishment,TOKO has been engaged in the production and sales of various fine chemical products, such as TOKO dissolved oxygen meter,TOKO food salinometer,TOKO handheld fluoride ion meter,TOKO measuring instrument, etc. The products are not only sold at home, but also exported to Europe, America and other international markets, with its technology and quality reaching the international level. The annual turnover exceeds $100 million. The company has four departments and research and development centers under the headquarters, which are in charge of technology development, quality assurance, import and export sales, and has production plants in Ulsan, Banwol, and Jeonju. With independent research, development, production and sales of strong strength. [more]