1. The Defendant’s KRW 14,070,00 for the Plaintiff and KRW 6% per annum from August 30, 2018 to January 22, 2020 for this.

1. Basic facts

A. A. Around 2006, the Plaintiff entered into a contract for the production and supply of a water table with the Defendant, and set up one water table on each of the 28th floor and 33th floor of the Defendant’s headquarters building (Sez 2,600x 600x 700).

(B) At that time, the Plaintiff entered into a maintenance contract with the Defendant with respect to the above 2,60,000 won per month for the maintenance and repair costs of the said 1,60,000 won, and performed the management of the 28th floor.

B. In relation to the above maintenance and repair contract, the Plaintiff and the Defendant shall prepare the maintenance and repair contract (hereinafter “the contract in this case”) around June 2008. The contract shall be exchanged with the Plaintiff and the Defendant: “Maintenance and repair cost shall be KRW 800,000 per month on the basis of 2,600 strings; the maintenance and repair cost shall be KRW 1,60,000 per month; the maintenance and repair cost shall be KRW 2 per month (Article 3); “The maintenance and repair period shall be from May 1, 2008 to April 30, 209 (Article 5); “HT-5, etc. after six months from the first installation of a water satisfaction duct. On the first anniversary of one year, the contract period shall also be replaced.” The separate claim shall be made after the completion of the work in parts (Article 7); “The contract period shall be extended by one year on the same condition as the contract in this case is not notified by the parties before the expiration of the contract.”

C. Around December 2013, the Defendant discarded the water supply pipes established on the 33th floor of the Defendant’s headquarters building, and concluded a contract for the production and supply of water pipes with the Plaintiff to replace the water pipes located on the 26th floor of the Defendant’s headquarters building (hereinafter “26th floor”).

On December 15, 2013, the Plaintiff referred to as the “arstium of this case” in the 26th floor of December 2013, 2013, the Plaintiff, “new hydrosium 2,600x 800x 700.”

(d) the installation work of the Corporation is completed.

The defendant around September 2014, on condition that the plaintiff and the defendant replace the equipment and living things with respect to the water satisfaction of this case without additional amounts.