A. 1) The Plaintiff is an insurance company established for the purpose of insurance business prescribed by the Insurance Business Act, such as underwriting insurance, receiving premiums, paying insurance proceeds, etc. relating to the handling of insurance products that provide for the payment of premiums, and is an insurance company permitted by the Financial Services Commission. 2) C Co., Ltd. (hereinafter referred to as “C”) is a manufacturer engaged in complete medicine manufacturing business at the factory operation located in the Dong-gu Seoul Metropolitan Government, Ansan-si (hereinafter “instant factory building”), and is a person who has concluded an insurance contract with the Plaintiff.

3) Defendant A Co., Ltd. (hereinafter “Defendant A”).

(4) E (the name before the opening is F. F. the name after the opening is omitted) is an externally called the regular business of A, and the contract for construction, etc. is awarded in the name of the Defendant A. The purpose of which is engineering and various construction supervision, etc.

5) Defendant B is a person who actually provided services in the instant factory building, etc. under a subcontract from Defendant A via E (F), and the employees of C were the site director of the instant factory building. B. The conclusion of the instant contract is on April 23, 2013, that Defendant A will take charge of services related to pipeline construction works of the instant factory building (hereinafter “instant contract”).

- Contract name: pipeline construction (1) - Contract term: Gong13-P036 - Contract term: 30,000,000 won: April 23, 2013 - Defendant B was ordered from E (F) to perform pipeline construction and to perform fire, and Defendant B was ordered from E (F) on June 30, 2013. From around 08:00 on May 18, 2013, the first floor of the factory building of this case is located under the direction of G, the director of the facility safety management division of C.