A. A Co., Ltd. (hereinafter “A”) established a product manufacturing plant in the dust, and among them, ordered the Defendant to install an automatic equipment for the destruction of synthetic resin so that it could have been destroyed.

B. On March 27, 2015, the Defendant entered into a subcontract with the Plaintiff on the condition that the Plaintiff would manufacture and supply the machinery and equipment parts among the details of the contract as above and pay KRW 697,00,000 in return. In this case, the Defendant separately subcontracted the other parts of electricity and control equipment to the other company (MStech).

On September 18, 2015, the Defendant entered into an additional contract with the Plaintiff regarding the equipment for the eradication automation, and paid KRW 300,000,000 in return.

Details of each subcontract agreement entered into between the Plaintiff and the Defendant are as follows:

(2) The purpose of this Agreement is to provide for the rights and obligations arising from the transactional relationship between the Defendant and the Plaintiff with respect to the equipment under Article 2(a) of this Agreement, which was entered into by the Plaintiff and the Defendant on March 27, 2015, and entered into by the Plaintiff and the Defendant on March 27, 2015.

(A) The name of equipment under Article 2 (Terms and Conditions of Contracts): The supply price of equipment (TPN2 LO2 LODDERs and UNLOAD SYEM)(b): 697,000,000 won (in addition to tax) payment terms

A. Contract deposit (30%): 209,100,000 won

(b) Part I (20%): 139,400,000 won;

C. Part II (30%): 209,100,000 won;

d. Balance (20%): The payment date of KRW 139,400,00 (d).

A. Contract deposit: The defendant's following month after preparing the contract.

4. 21 The plaintiff shall be paid to the plaintiff.

B. The intermediate payment first: the Defendant shall, upon completion of assembly, pay to the Plaintiff by cash settlement method as of the end of the following month after the end of the month after the completion of assembly.

C.