1. The defendant's appeal is dismissed.

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

Purport of claim and appeal

1...

Basic Facts

The plaintiff is a stock company with the purpose of manufacturing and selling steel materials and selling retail, and the defendant is a stock company with the purpose of engineering work business, facility work business, etc.

From March 9, 2011 to October 30, 2012, the Plaintiff supplied materials, such as steel bars, to B, C, D, E, F, G Section, H Section, G Section, I, J Section, K site, national highway Let, Myp, N, O site, P Section, Q, R site, Scep site, and T site.

From March 28, 2011 to October 31, 2012, the Plaintiff issued each electronic tax invoice (i.e., total value and tax amount of 422,97,278) to the Defendant regarding the supply of the above materials as indicated in the following table:

The value of supply of a tax invoice shall be 2.32,191,236 won on March 29, 201, 201; 36,068,010 won; 34,51,132 won on April 30, 201; 25,103,760 won on May 27, 201; 20.37,370,370 won on May 30, 201; 208; 21.36,00 won on the basis of the other party’s actual intent to enter into a contract; 206.3,00 won on the basis of the other party’s actual intent to enter into a contract; 206.3,07,00 won on the basis of the other party’s actual intent to enter into a contract; 25.27,06,00 won on the basis of the other party’s actual intent to enter into a contract;