1. The Defendant’s KRW 2,238,735,767 to the Plaintiffs and 6% per annum from May 1, 2013 to November 6, 2015.

1. Basic facts

A. The Plaintiffs are the Plaintiff Newdong Construction Co., Ltd. (hereinafter “Plaintiff Newdong Construction”) around November 2007, around November 2007.

) 51% and Plaintiff Jinjin Construction Industry Co., Ltd. (hereinafter referred to as “Plaintiff Jinjin Construction”).

(2) At that time, the Plaintiffs were selected as the contracting party to the construction contract, which is a long-term continuing construction contract, by participating in the Defendant’s bidding for the construction project for the railroad restoration team in the Gyeongwon-Ironwon Section (hereinafter “instant construction project”).

3) On December 31, 2007, the Plaintiffs entered into a single contract with the Defendant with the overall contract with the total construction cost of KRW 20,175,715,000 as to the instant construction project by January 30, 2010, attaching the general terms and conditions of the construction contract as stated in the attached Form, and concluded the first contract with the Defendant with the total construction cost of KRW 20,175,715,000 on the same day by December 31, 2007 (hereinafter referred to as each of the following contracts are specified as the number of teas).

B. B. According to the execution of each of the instant contracts and the amendment of the overall contract, the Plaintiffs entered into each of the instant contracts with the Defendant as indicated in the table below, with the addition of the total construction period and the total construction cost. Since then, due to the design change, price fluctuation, etc., the Plaintiffs also changed the overall contract with each of the following items (hereinafter referred to as the “each of the following changes is specified by attaching a number, and in the case of the final contract by the number of vehicles, the term “the next contract (final)” is specified.

The second final contract of February 19, 2008 (2-14 December 24, 2008) for the total construction period of the overall contract by the total construction period for each number of tea contracts as of the date of classification (unit: unit). The second contract of December 19, 2008 (2-10, 2000, 3,418,000, 2000-2-2-2 of September 19, 2008.