A. On January 7, 2010, Defendant A Co., Ltd. (hereinafter “Defendant A”) entered into a contract with tinwon Construction Industry Co., Ltd. (hereinafter “Nanwon Construction”) under which tinwon Construction Co., Ltd. (hereinafter “Nanwon”) entered into a contract with tinwon Construction Co., Ltd. for the major repair of the building in Jung-gu Incheon (hereinafter “instant construction”) on a contract basis (hereinafter “instant contract”). Defendant Daiwon Construction Co., Ltd., on March 10, 2010, with Howon Construction Co., Ltd., Ltd. (hereinafter “the instant electrical construction”). On July 1, 2010, the Plaintiff entered into a subcontract for the instant electrical construction (hereinafter “the instant electrical construction”) with tinwon Construction Co., Ltd., Ltd., with the term “Nanwon Construction Co., Ltd., Ltd., and concluded a subcontract for the instant construction work between the Plaintiff and the Plaintiff on July 1, 2010, setting the period of construction cost of the instant electrical construction (hereinafter “the instant construction”).

(hereinafter referred to as "the re-subcontract of this case").

After that, Defendant A terminated the instant contract with Daiwon Construction, and Defendant A entered into a contract with Defendant B on August 2010 with respect to the major repair work of this case as a contract period, and Defendant B entered into a contract with Defendant B on September 17, 2010, setting the instant electrical construction amount of KRW 2,420,000,000 for construction cost as a subcontract period, with Defendant B entered into a subcontract period with Hoho Jeonwon.

(hereinafter referred to as “instant subcontract”). (c)

After receiving four copies of the Promissory Notes endorsed by the Defendants respectively as an advance payment for the electrical construction of this case, the Hosesesese theory is a bill of promissory Notes 200,000 won (hereinafter “the Promissory Notes of this case”) stating the issuer of the said Promissory Notes as the issuer of the said Promissory Notes, Acheon Development Co., Ltd., the payee and the first endorsement, Acheon-si, the second endorsement, the Defendant A, the place of payment, the Korea Standards Doz., the payment bank, the payment bank, the date of September 17, 2010, and the date of payment as of January 15, 201.