1. The Defendants are jointly and severally and severally liable to the Plaintiff for 79,458,500 won and the period from July 25, 2015 to December 23, 2015.

1. Basic facts

A. On May 2015, the Plaintiff entered into a contract with Defendant A Co., Ltd. (hereinafter “Defendant A”) to supply ready-mixeds at the site of a factory construction work after a rest area, and supplied ready-mixeds worth KRW 79,458,500 from May 16, 2015 to June 9, 2015.

B. Defendant B Co., Ltd. (hereinafter “Defendant B”) jointly and severally guaranteed the obligation of Defendant A to the Plaintiff under the above contract for the supply of ready-mixed.

[Reasons for Recognition] A. B. The fact that Defendant B’s official seal affixed to D or B is without dispute between the parties, and the fact that Defendant B’s official seal affixed to D or B, which is an administrative agent D, is without dispute. The following circumstances, namely, the representative director of Defendant B, who is F or ASEAN, was entrusted with the entire authority of Defendant B on the above construction work, was carried out with the administrative agent B’s official seal to carry out the administrative work; Eul, who was called from G and had Defendant B affixed the official seal to Defendant B’s official seal to the administrative agent’s official office; and that D, who was an employee of Defendant B, had the official seal affixed to Defendant B’s official seal to the official office at the time, had the official seal affixed to the official office at the time, signed and sealed the official document at the time, and had the official seal affixed to Defendant B’s official seal to the administrative agent’s official document at the time, and had it easily be given to Defendant B’s official seal to Defendant B’s official seal.