1. All of the plaintiffs' claims are dismissed.

2. The costs of lawsuit are assessed against the plaintiffs.

1. Basic facts

A. Plaintiff A is a company established on July 5, 201 for the purpose of running the electrical construction business. Plaintiff B is a company established on July 20, 2001 for the purpose of running the construction business. Plaintiff D is a company established on July 10, 2007 for the purpose of running the construction business, and Plaintiff C is a company established on July 10, 2007 for the purpose of operating the elevator and the parking machine construction business. Plaintiff C is a trade name of “H”, Plaintiff E is a trade name of “I”, Plaintiff F is a trade name of “J”, Plaintiff F is an individual entrepreneur who conducts each construction business in the trade name of “J”.

(b) A contract agreement for private construction works entered into (Evidence 1, 1, 1, 1)

1. The name of the construction: New construction works of the second logistics center of a M company;

2. Construction site: Parcel, non-six parcels in Gyeonggi-do, including the wife population;

3. Date of commencement: The date of completion on April 22, 2014: June 8, 2014: The amount of a contract: daily gold 1,650,000 won (excluding value-added tax) (excluding value-added tax).

6. Contract deposit: 10% of the total contract deposit; and

7. Advance: No one; and

8. A completed amount: A payment of KRW 500 million prior to approval for use shall be made in accordance with the base rate.

9. Balance: To pay a loan within five days after registration for preservation of ownership.

10. Items and quantities of paid materials: A project owner shall settle accounts of the process in which he/she pays or performs materials;

1. Warranty liability (in the case of multi-functional type, the classification by type of work) 11. Warranty liability rate: 15. Other matters: 1/1000 of the daily contract amount per delay : The date of completion shall be determined as the date of receipt of written approval for use.

1) The Defendant is K Co., Ltd. (hereinafter “K”) on April 22, 2014.

(1) The second logistics center of M company, the Defendant’s representative, on the ground of the land outside the applicable population L, and six parcels, (hereinafter “instant building”).

2) The construction project newly constructed (hereinafter referred to as the “instant construction project”)

the contract, and the specific construction cost and construction period.