A. The Plaintiff is a local public enterprise established pursuant to Article 18 of the Urban Railroad Act and Article 49 of the Local Public Enterprises Act, and the Committee is a company that manufactures rolling stock.

B.1) On May 31, 2017, Seoul Metropolitan Government Urban Railroad Corporation (Seoul Metropolitan Government Urban Railroad Corporation) was established in consequence of its merger with Seoul Meart,

hereinafter referred to as “Plaintiffs” in entirety

Around May 2010, a tender was conducted by posting a tender proposal, product specifications, etc. for the production and purchase of seven electric vehicles (56 volume) that will be put into the extension section of subway 7 lines on the website. The Plaintiff selected a window as a business entity, and then on June 11, 2010 and June 22, 2010, the tender was conducted by the former Commission for the production and purchase of the seven electric vehicles (56 volume). A total of 7 electric vehicles is composed of 56 electric vehicles from the former Commission, since the electric vehicles are composed of 8 volume per unit.

2) A contract was entered into for the manufacture and purchase of 51,734,227,710 won in total by dividing B into five parts, namely, 5 parts, 50,000,000 of 51,734,227,710 won (hereinafter referred to as “the first prior purchase contract”).

(1) In the first preceding car purchase contract, the purchase for the relevant year is conducted within budgetary limits of the Urban Railroad Corporation, and the first preceding car is purchased for the year 2010 as of March 31, 2012, and the purchase for the seven preceding car is completed on a total of three occasions until March 31, 2012. Of the first preceding car purchase contract, the main contents of the body device, brake device, and computer apparatus are as follows: The purchase for the first preceding car (long-term continuing 1): The purchase for the new car from the 7th line extension section (long-term continuing 1: the date of the second car purchase contract: the name and quantity of June 11, 2010: the contract amount of the preceding seven preceding car: 31,305, 324, 710 won: the total contract amount: the 13th installment after June 11, 2010 to the 203th installment supply period: the 2013th installment supply period; the total amount of the last 203.