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1. The plaintiff (Counter-Defendant)'s claim and the main lawsuit against the plaintiff C. E.C., and the plaintiff (Counter-Defendant).
Reasons
1. Basic facts
A. On January 2015, 2015, the Hanyang-Tech Co., Ltd. (hereinafter “Korea-China”) contracted the construction work of manufacturing and installing 19 waste tank 14 (hereinafter collectively “19 waste-based tank”) in the Aecheon Factory to Plaintiff C. E. E.C. (hereinafter “Plaintiff C.C.”) (hereinafter “Plaintiff C.C.”).
Plaintiff
CFtech subcontracted the manufacture and installation work of the waste water tank in this case to Korea Co., Ltd. (Counterclaim Defendant) (hereinafter referred to as “Plaintiff KFE”)
B. The Plaintiff Han-gu manufactured the waste water tank of this case.
In addition, on February 11, 2015, the main content of the construction work to install the waste-to-face tank of this case to the Defendant (Counterclaim Plaintiff; hereinafter “Defendant”) is the movement and arrival of waste-to-face tanks, i.e., gambling work.
(hereinafter “instant construction project”) subcontracted the instant construction project.
Plaintiff
Korea-U.S. and the Defendant agreed not to prepare a separate contract concerning the instant construction project, but to conclude that the contract content of the instant construction project is a contract based on the written estimates (hereinafter “written estimates”) submitted by the Defendant to the Plaintiff Korea-U.S. on February 12, 2015.
(hereinafter referred to as the above process is the contract between the Plaintiff Korea and the Defendant (hereinafter referred to as the “instant contract”).
According to the written estimate of this case, the amount of construction cost is determined based on the unit price and 4 days by dividing it into items, 39,954,00, 53,272,00 won at the 4th working day, and the value-added tax is separately stated as follows: “Labor cost (Professionals), 50 tons, 7 tons, was used, was used, was used, was used, and the unit price and 4 days was determined.”
However, unlike the written estimate of this case, the plaintiff Han-chul and the defendant shall, in the case of three-day work, be 39,000.