1. The Defendants are jointly and severally liable to the Plaintiff Quasi-Border Co., Ltd., 85,416,468 won, and the Plaintiff Co., Ltd.

1. Facts of recognition;

A. (1) Defendants and the same mining construction company (hereinafter “instant joint supply and demand company”) constituted a joint supply and demand company (hereinafter “instant joint supply and demand company”) and concluded a contract with the National Health Insurance Corporation (hereinafter “instant construction”) for construction period from April 10, 2013 to September 26, 2015, with the construction cost of KRW 55,96,76,649.

(2) On December 15, 2015, the instant joint contractors and the National Health Insurance Corporation entered into a contract for construction change with the content of changing the construction cost to KRW 67,08,68,000.

(3) The percentage of investment by the instant joint contractors was comprised of 46% of the mining construction, 22% of the construction of the Defendant Sejong River Co., Ltd. (hereinafter “Defendant Sejong River Construction”), 22% of the Defendant Green Construction Co., Ltd. (hereinafter “Defendant Green”), and 10% of the Defendant Il Il Construction Co., Ltd. (hereinafter “Defendant Il Construction”), and the representative of the instant joint contractors was the mining construction.

In the event that the Plaintiff is a stock company and the Plaintiff is a stock company, the entry of the “stock company” shall be omitted.

On April 2, 2014, 515,482,00 on April 2, 2014; 85,416,468 2 Korean EsP Group Model 6.7,700,000 4,400,000 4,000,000 3 of steel supply around May 2, 2015; 103,377,978 103,377,978 4; 103,030,000-63,000-6,000-63,000-6,00-7,000-7, 103,000-6,00-6,03,00-6,00-6,03,00-6,00-6,00-6,00-6,00-6,00-6,00-6,03,00-63,03.

B. (1) With respect to the instant construction project, the Plaintiffs each of the relevant construction specifications as indicated below from the same mining construction.