A. On April 201, Hyundai Steel Co., Ltd. (hereinafter “Modern Steel Co., Ltd”) refers to the heat processing equipment used to the Defendant for the existing Q.S.T. equipment Qufwing and steel product production in a large pressure plant located in the above company C factories, which is the speed cooling equipment.

In relation to Q.S.T. In addition, design and manufacture work period, such as Q.S. Syem, connected to the main body and the main body, was set on August 8, 201 and awarded a contract for construction work.

Article 2 (Period of Production): The completion of the manufacture on July 23, 201: the completion of installation and trial operation on August 8, 201: the down payment on August 3, 201: Article 3 (A) (b) the intermediate payment on August 15, 201: Non-regular cash, monthly 15,30 days after the conclusion of the contract: The remainder payment: Article 4 (Production, Construction Method) the Plaintiff makes and executes the work in accordance with the drawings and specifications made on the basis of the terms and specifications of the present contract provided by the Defendant (the scope and contents of the Plaintiff’s construction) (1) the manufacturing of the drawing based on Q.S.T. drawing offered by the Defendant to the Plaintiff; (1) the manufacturing of the pipeline installed in the Defendant’s site; (3) the public prosecutor is a non-regular cash, monthly 15,30 days after the issuance of the contract; and (1) the manufacturing and construction method based on the agreement between the Defendant’s inspection and inspection’s completion (hereinafter referred to as “the manufacturing specifications”).

B. On May 24, 2011, the Plaintiff and the Defendant concluded a construction contract (hereinafter “instant contract”) with the content of removing pipes for facilities and equipment and manufacturing and installing new pipes at the said C factory site in relation to Q.S.T. design and manufacturing and manufacturing works of main body and main body of equipment and Coymm.

The main contents of the instant contract are as follows.