1. The plaintiffs' appeal and the claims added by this court are all dismissed.

2. After an appeal is filed.

1. Basic facts

A. Plaintiff A is a person who runs the business of manufacturing vessel blocks in the trade name of “C”, “D”, “E”, and Plaintiff Co., Ltd. (hereinafter “Plaintiff-beneficiary”) is a company that engages in the business of manufacturing vessel components, etc., and Plaintiff B (hereinafter “Plaintiff B”) is a company that engages in the business of manufacturing vessel blocks.

The plaintiffs are subcontractors under Article 2 (3) of the Subcontract Act, and the defendant is the principal contractor under Article 2 (2) of the Subcontract Act, the main purpose of which is to build, remodel, repair, dismantle and sell ships.

나. 피고는 2009. 4. 1.경부터 원고 A와 사이에, 2011. 9. 1.경부터 원고 혜인과 사이에, 2013. 5. 29.부터 원고 B과 사이에 각각 피고가 건조 중인 선박의 선각조립작업 항해에 필요한 각종 장비나 기관 등을 제외한 배의 골격과 외곽을 형성하는 구조 부분을 ‘선각(船殼)’이라 하는데, 이러한 선각 부분을 조립하는 작업을 말한다.

In addition to the basic subcontracting contracts and unit price contracts (hereinafter referred to as "unit price contracts of this case" and each unit price contract of this case, each of the unit price contracts of this case was "each unit price contracts of this case") entrusted to manufacture B.

C. The Plaintiffs performed vessel assembly work, such as vessel block tower work, in accordance with each of the instant basic contracts and unit price contracts.

【In the absence of a dispute over the grounds for recognition, entry of Gap evidence 1 through 4, Eul evidence 3, 4, and 5 (including the number with each number; hereinafter the same shall apply), and the purport of the whole pleadings

2. The plaintiffs' assertion

A. As to the right to claim damages due to illegal acts in violation of the Subcontract Act, such as the reduction of subcontract consideration, the Defendant is a type of ship that transports petroleum not determined in the summary fishing of BCulker with respect to each of the basic contracts of this case and the unit price contract of this case.

the first unit price contract with respect thereto, 209.