1. The judgment of the first instance, including the claims added by this court, shall be modified as follows:

Defendant and the Defendant.

1. Basic facts

A. On January 14, 2014, 201, the Defendant subcontracted the construction work of the electric mooring room to the Defendant side of the STX Heavy Industries Co., Ltd. (hereinafter “STX Heavy Industries Co., Ltd.”).

B) As between B and D, the term “scambling construction” in the electrical system for the installation of a facility for electricity, etc. appears to mean construction related to the installation and attachment of instruments (control devices, measuring devices, etc.) in the construction of electricity, etc. A joint supply and demand agreement was concluded between B and B with STX Heavy Industries Co., Ltd. (hereinafter “STX Industries”), on February 5, 2014, to the effect that the joint supply and demand agreement was made to undertake joint projects for bidding, construction, etc. (see evidence 12). On February 5, 2014, STX Heavy Industries Co., Ltd., Ltd. (hereinafter “STX Industries”), the construction of the electrical system (hereinafter “instant construction”) was subcontracted to C, a construction of the installation of a facility for the installation of a facility for electricity production in JK located at the construction site in Chungcheongnam-gun-gun, Chungcheongnam-gun, and the construction of the installation of a facility for the installation of a facility for electricity (hereinafter “instant construction”).

(See Evidence No. 1). The Defendant agreed to execute the instant construction jointly with the East War, as seen earlier, and the East War War entered into a subcontract as such.

B. On May 23, 2014, the Defendant entered into a contract for the provision of construction services (hereinafter “instant construction contract”) with the Plaintiff on behalf of the Plaintiff, who was an operator of “G” (the Plaintiff’s wife) on behalf of the Plaintiff, under which the Defendant re-subcontracts part of the instant construction work to E (hereinafter “instant construction contract”).

(A) The construction period of the instant construction: From May 26, 2014 to the completion of the construction: KRW 520,000,000, including value-added tax (excluding value-added tax). The construction period of the instant construction: KRW 572,00,000 when calculating the service amount, including the value-added tax.

The scope of services: The following details: