A. 1) The Korea National Housing Corporation is a party to the dispute. The Korea National Housing Corporation is a total of 899 households for the apartment complex of the Soviet City 3, the Soviet City 340-dong, Seocheon-gu. (hereinafter “the apartment of this case”).

The Plaintiff is a seller newly built and sold. On October 1, 2009, the Plaintiff was the Korea National Housing Corporation and a public corporation established following the merger of the Korea Land and Housing Corporation, and the Korea Land and Housing Corporation (established by Act No. 9706, May 22, 2009) comprehensively succeeded to the assets, claims and obligations of the Korea Land and Housing Corporation, and other rights and obligations of the Korea Land and Housing Corporation (hereinafter referred to as the “Plaintiff”) pursuant to Article 8(1) of the Addenda.

2) Defendant Promotion Enterprise Co., Ltd. (hereinafter “Co., Ltd.” in the name of the corporation, which is a stock company), and new and old comprehensive construction is contracted with the Plaintiff for construction works for three sections (hereinafter “construction works for three sections”) among the new construction works for the instant apartment (hereinafter “instant construction works”), and the remaining construction is the Defendant Promotion Company related to the construction works for three sections, and the joint and several sureties Construction Co., Ltd. (hereinafter “three sections electrical construction”) among the instant construction works.

(4) Defendant Pung Forest Industry and South Sea General Construction are the joint and several sureties Electric Construction Co., Ltd. (hereinafter referred to as “construction works for the Section 4”) of the instant construction works, and Defendant Pung Marine Construction Co., Ltd. (hereinafter referred to as “Defendant Pung New Construction Co., Ltd.”) is the joint and several sureties Construction Co., Ltd. with respect to construction works for the Section 4, and the instant construction works for the Section 4 (hereinafter referred to as “the instant construction works for the Section 4”). The instant construction works are the joint and several sureties Construction Co., Ltd. (hereinafter referred to as “the instant construction works”).

) The contractor is the contractor who has been awarded a contract, and the development of the Defendant Kusung Electric Power is the joint and several sureties of Yangyang on the electrical construction of four sections. 6).