The Plaintiff concluded a contract for construction with respect to the inside part of the apartment construction project, which was executed by the Jinjin Construction Co., Ltd. (hereinafter referred to as the “Dinjin Construction”), among the new construction project for the apartment construction project for the apartment of Young-gu D 250 households.

Defendant C&C Co., Ltd. (hereinafter “Defendant C&C”) is a corporation that manufactures, processes, and sells tin products, and Defendant C&C Co., Ltd. (hereinafter “Defendant C&C”) is a corporation that develops, manufactures, and sells products related to tinD.

B. On September 2015, the Plaintiff: (a) supplied the instant apartment site to Nonparty 1, a company selling same-sexs; and (b) executed the instant apartment site after being supplied with the general stone table by Nonparty 1, a company selling same-sexs; (c) a certain part of the instant stone table was produced by Defendant 1; and (d) supplied Defendant Brin Industries to Defendant 1, a company selling same-sexs (hereinafter “instant stone table”).

C. Since September 21, 2015, Jinjin Construction reported to the Plaintiff on the fact that water purification has occurred in the part of a tent with the instant tinoid constructed (influoring down the surface of the tinble).

Accordingly, the Plaintiff knew about the above defect to Defendant B, and thereafter, on September 23, 2015, the Plaintiff visited the site and conducted a field investigation. D.

A visiting the site was made by phone call to C, who is a person in charge of the quality of Defendant sunbedation, and was made to “A, who has been supplied to the site of gold” and “A, who is a staff member of the Jin Construction, was made to make a telephone call.”

Accordingly, "A" in this case is "A" in the letter of confirmation stating the following telephone conversations with C and the requirements for the friendly construction.