Here are some CRCNA documents and other resources that are available in Korean.
This 24-page, Korean pamphlet provides a clear, brief overview of the history, beliefs, and ministry of the Christian Reformed Church. It is great for new members, profession of faith classes, and councils.
This short pamphlet (in Korean) provides newcomers with a brief explanation about what a denomination is, and a short introduction to the Christian Reformed Church.
This booklet would be ideal for an adult Bible study, catechism class, or for those wanting to learn more about the CRC and its place in today's world.