1. The plaintiff (Counterclaim defendant)'s main claim and the defendant (Counterclaim plaintiff)'s counterclaim are all dismissed.

2. Of the costs of lawsuit.

1. The principal lawsuit and counterclaim shall also be deemed the facts constituting the basis;

A. 1) The Plaintiff’s status as the party to a lawsuit is as follows: (a) the Plaintiff operated a personal business entity engaged in the business of selling air conditioners and installing and operating air conditioners with the trade name of “C” and (b) August 16, 2012; and (c) the Plaintiff is a Co., Ltd.

(2) The Defendant is a person who operates a private enterprise operating a heating and cooling system wholesale and retail business, etc. under the mutual name of “D”.

B. The Plaintiff, as the Defendant’s introduction, entered into a contract for the E apartment construction (hereinafter “F”) on June 14, 2012.

B) Busan E apartment (hereinafter “instant apartment”) between the Plaintiff and the Plaintiff.

2) Of the reconstruction works, the household air-conditioning pipeline works (hereinafter “instant construction”)

) A contract for the entrustment of the manufacture of construction materials (including value-added tax) under which the construction period is from June 29, 2012 to November 28, 2013, the contract amount of 2,313,320,715 (hereinafter “instant contract for the first construction work”).

(2) Upon establishing a non-party company, the Plaintiff entered into an agreement with F on October 30, 2012 to change the contract amount of the instant construction project into KRW 1,182,106,885 (including value-added tax). The non-party company entered into an agreement with F to change the contract amount of the instant construction project into KRW 1,182,106,885 (including value-added tax). The non-party company entered into a contract with F to entrust the manufacture of construction materials (hereinafter “instant contract for the second construction project”). From October 31, 2012 to November 28, 2013, the contract amount, from October 31, 2012 to November 28, 2013, with F to supply and demand the instant construction project as KRW 1,

3) Between F and F on April 16, 2013, the non-party company entered into a contract for the entrustment of the manufacture of construction materials (hereinafter “the third construction contract of this case”) that receives the pipeline construction works for residents’ common facilities from April 18, 2013 to November 28, 2013; and the contract price of KRW 101,615,162 (including value-added tax) among the reconstruction works of the instant apartment.

(A) concluded a contract (the fact that there is no dispute over the basis for recognition, Nos. 1, 2, 9, 9.).