1. The Defendant’s KRW 48,697,00 for the Plaintiff and 5% per annum from October 27, 2017 to June 7, 2018.

1. Basic facts

A. The defendant is a corporation that carries on shipbuilding equipment, manufacturing and selling industrial machinery materials, manufacturing and selling marine and bridge structures, etc., and the defendant's partner company is operated with the trade name of the plaintiff C.

The contract for the intra-company subcontract is concluded between the defendant (hereinafter referred to as "A") and the plaintiff (representative) (hereinafter referred to as "B") as follows:

Article 1 (Basic Conditions)

(a) Any contract or agreement shall be effective by means of a document;

(b) B shall promptly notify A of any problem or disagreement in the design drawings provided by the original place of the design, upon finding any problem or disagreement, and A shall consult with the original place of the design and notify B of the resolution.

(c) Eul voluntarily assumes all responsibility for the problems arising from the change of design specifications. D.

A may direct direction the work schedule and details of the construction work in connection with the manufacture of products to Eul and Eul's workers, and Eul shall preferentially perform them without delay.

Article 2 (Contract Goods) Contract Goods and unit price shall be in accordance with the unit price contract form attached thereto, and shall be in accordance with the Gap's plan for the progress of construction and work instructions.

Article 3 (Adjustment of Prices) The settlement of contract goods shall be equivalent to the standard unit of the unit price contract, and the standard and the settlement amount shall correspond to the drawings and the quantity list of the original place of origin.

IV.(LA)All raw materials required for the manufacture of products shall be supplied by A.

Article 5 (Inspection)

(a) Eul shall have the results of a variety of inspections and completion inspections conducted by any person designated by the original owner or the original owner, any institution or organization designated by all relevant regulations;

(b) Criteria and procedures for inspection shall conform to the provisions set by the original owner and to the regulations and procedures of the relevant authorities and organizations;

(c) if the results of an inspection indicate that they were manufactured differently from the specifications and standards, B must undergo an inspection to ensure that they are consistent with the specifications of production through repair, replacement, or modification.