1. The plaintiff's appeal is dismissed.

2. The costs of appeal shall be borne by the Plaintiff.

The purport of the claim and appeal is the purport of the appeal.

1. On the premise that C, D, and E (hereinafter “C, etc.”) entered into a service contract with the Defendant, the Plaintiff asserts that the Defendant was subrogated by the Plaintiff for the service payment obligation of the Defendant’s C, etc., or received the service payment claim of the Defendant from C, etc. on October 30, 2013, and that the Defendant is liable to pay the Plaintiff KRW 12,285,000 and damages for delay.

2. According to the reasoning of the judgment of the court below, Gap evidence Nos. 2, 3, 4, 7, and 12 (including each number), Eul evidence Nos. 1, and Eul evidence testimony of witness of the court of first instance, the plaintiff entered into a contract with the defendant on August 19, 2013 as the principal contractor for the installation of G-powered power plants in Gangwon-gun FF Agricultural and Industrial Complex and the construction of factory Dongs (hereinafter "the construction of this case"), which entered into a contract with the defendant on August 19, 2013 for the suspension of site and the subcontracted construction of basic construction works (hereinafter "the construction of this case"), and Eul received a work site notification from the field manager every day while providing services in F-Industrial Complex as a heavy equipment and received a work site notification from the plaintiff Nos. 2, 3 or defendant No. 1, 30, 10, 30, 10, 30, 10, 20, 30, 20, 3, 20,