Chong Kun Dang

== Chong Kun Dang Pharmaceutical ==
=== 1956-1960 ===
Chong Kun Dang, founded in 1941, was the first to establish the logo in 1956.
=== 1960-1966 ===
=== 1961-1965 ===
=== 1965-1966 ===
=== 1966-1967 ===
== Chong Kun Dang ==
=== 1968-present ===
Category:Pharmaceutical companies in South Korea