Dongwha Pharma, oldest among Korean companies

Among the country’s 736 major companies listed on the Seoul main bourse, Dongwha Pharmaceutical Co. is the oldest company surviving and thriving for a century or more, a Seoul-based association has reported.

Donwha has maintained its presence among the industry heavyweights since its establishment in 1897 and its renowned digestive drink “Whalmyungsoo” became the first medicine listed on the...