1. The Defendant (Counterclaim Plaintiff) paid KRW 144,00,000 to the Plaintiff (Counterclaim Defendant) and its amount from April 2, 2014 to September 30, 2015.

1. Basic facts

A. The Plaintiff is a person engaged in manufacturing industrial machinery, etc. under the trade name of “B,” and the Defendant is a corporation that runs the steel plate for shipbuilding and the steel processing business for molding steel.

B. On May 24, 2013, the Plaintiff received a request from the Defendant for the manufacture of machinery capable of processing steel plates for shipbuilding from the Defendant and processed with the Defendant to facilitate melting the steel plates by cutting and melting the steel plates. In accordance with the method of the marith processing, there are various processing methods, such as I, V, U, J, H, H, K, and X, and among which, “K processing” means processing the upper upper upper upper part of the steel plates into the K-shaped. dedicated machine [ID-7107-1 Order] (hereinafter “the instant machine”) with the Defendant as the contract amount of 180,000,00 won (value added tax; hereinafter the same shall apply) and the place of the supply of the goods (hereinafter “the Defendant’s goods”).

The detailed specifications of the machinery of this case stated in the contract of this case shall be as follows.

형 식 단위 규 격 외형치수 m/m (L)1.810×(W)2.870×(H)1.716 중 량 Kg 7,500Kg 전 원 V/Hz AC 380V / 3hase, 60Hz 소비전력 KW 32KW 작동방식 (수평형) 모터 구동 (반자동형) 상부메인모터 KW 15KW×4P(20HP) 속도조종용(이버터)유(각도자동조종) 하부메인모터 KW 7.5KW×4P(10HP) 인버터(유) 소재이송모터 KW 2.25KW 250：1 감속모터(인버터)유 압축모터 KW 200W(잭)스크류 SJ56 캇타전후작동모터 KW 200W(잭)스크류 SJ44 가공소재 일반강판, 특수강판, SUS판, AL판, 비금속, 합금강판 등 사용바이트(팁) SPKN 1504 EDSR-SVPC3500 소재강도에 따라 교체 베벨각도(상부) 15 ~ 45(30c까지 가능, 안전면취량 25c) 모서리를 깎아 변화를 주는 것을 모따기 또는 면취(面取)라고 하는데, 가공되는 모서리 두...