A. On-the-spot A: 1) The Plaintiff and coal elevator company (hereinafter “carbon elevator”).

(2) The joint contractors consisting of the joint contractors (hereinafter referred to as the “joint contractors of this case”).

(A) On August 12, 2015, between the Defendant and the Defendant, a contract to manufacture, sell, or install an elevator with the following content (hereinafter referred to as “instant A elevator contract”).

- The location has been concluded. - The term of payment for the construction site of Eunpyeong-gu Seoul Metropolitan Government - On November 11, 2015 - The term of payment for the entrance and the construction of machinery rooms: the contract amount: 37,400,000 won (including value-added tax): the standard and number of elevators to be installed by October 20, 2015 - The payment place and the deposit money for passengers: 11,220,000 won at the time of entering into a contract, the intermediate payment shall be 22,40,000 won at the time of carrying the machinery room, the balance shall be 3,740,000 won at the time of applying for the completion inspection - the Plaintiff’s foreign exchange bank account (B) - the representative of the joint supply and demand organization shall be composed of coal, the Plaintiff shall be responsible for the installation of the elevator on the site of manufacture, sale and sale of the elevator and the installation of the intermediate payment, and the Defendant shall be responsible for the payment period for the completion of the contract.

B. The instant joint contractors consisting of one Plaintiff and coal elevator related to C site, are as follows, between D on February 23, 2016.