1. The Plaintiff:

A. As to KRW 1,266,656,142 for Defendant Construction Co., Ltd. and KRW 101,00,000 among them, Defendant Construction Co., Ltd.

1. Basic facts

A. The status of the parties is the autonomous management organization composed of representatives from each building elected by the occupants to manage the 18 units, 1360 units, and their incidental facilities of the apartment A in Osan-si, Osan-si. The head of the defendant construction is the company that constructed and sold the apartment of this case. The defendant Dae forest industry is the company that constructed the new apartment of this case after being awarded a contract for the construction of the new apartment of this case. The defendant Dae forest industry is the company that constructed the new apartment of this case, and

A person who has entered into a warranty contract for the apartment of this case, such as paragraph (1).

B. (1) On May 30, 2007, the Defendant Grand Forest Industry was issued by the Defendant Mutual Aid Association a defect liability certificate with the following content that the insured was the erroneous viewing of the instant apartment complex.

The warranty number guarantee period and the warranty period (won) B from June 25, 2007 to June 24, 2008 to June 24, 2008 to June 25, 2007 to June 25, 2007 to June 1, 580,628,628,774 D June 25, 2009 to June 25, 2007 to June 25, 2010 to June 24, 2010 to June 25, 2010 to June 25, 2010 to June 25, 2007 to June 25, 201 to June 24, 201 to June 24, 201 to 471, 581, F. 581, F. 207 to June 25, 201 to

1.The warranty liability under this letter bears the warranty liability only in the event of the occurrence of any defects as provided in the Housing Act and the Enforcement Decree of the Housing Act.

2. The warranty liability under this letter shall be borne by each type of work according to the detailed description on the specifications of defect liability attached to the back side.

3. Where a council of occupants' representatives (including a management body under the Act on the Ownership and Management of Aggregate Buildings) is formed under the Housing Act and the Enforcement Decree of the Housing Act, the guarantee creditor shall be deemed to have been changed to the council of occupants' representatives.

(3) As the Plaintiff, which is an autonomous management body of the instant apartment, was organized, the secured creditor of the instant guarantee was changed to the Plaintiff.

(c) the occurrence of defects and the request for repairing defects (1).