1. From March 8, 2018 to April 12, 2019, the Plaintiff (Counterclaim Defendant) paid KRW 3,890,896 to the Defendant (Counterclaim Plaintiff) and against this.

A principal lawsuit and a counterclaim shall be deemed simultaneously.

1. Basic facts

A. On November 16, 2017, the Plaintiff entered into a subcontract with C on the construction of soil-to-land (hereinafter “instant construction”) among the rearrangement projects for re-building D-to-land D Housing units (hereinafter “instant construction”).

B. On January 10, 2018, the Plaintiff entered into a contract (hereinafter “instant contract”) with the Defendant who engages in construction machinery rental business to carry out works such as ejackings and pots, rinks, rinks, etc. (hereinafter “embling work”) at regular intervals so that they can put in horizontal trees between them, and paid KRW 40 million in advance to the Defendant.

The name of confirmation equipment: DH658 (hereinafter referred to as "paragraph (1) of this case"), registration number: E kinds of work: The usage fees from December 24, 2017 to February 14, 2018: the payment of KRW 65 million per month as of December 250 hours to February 250 to February 14, 2018, value-added tax and other other conditions: the payment terms of the E-4,00 T-4 T-4 T-4, T-4, T-4, T-4, T-4, T-4, the non-payment terms and conditions of support for one person, payment of transportation expenses (6,00,000 won), payment of transportation expenses (6,000,000 won), and suspension of work due to the on-site conditions shall be excluded from the number of days.

By February 14, 2018, the above equipment undertakes to complete the construction of the D-Housing Reconstruction Project site by February 14, 2018, and, if the period of failure to comply with this period, the Defendant promises to be responsible to the Plaintiff for all the expenses (including the user fee of equipment) for the period of failure to comply with this period.

The name of confirmation equipment: DH58 (hereinafter referred to as "paragraph (2) of this case") and registration number: F kinds of work: CIP, MIP/K working days: December 2017.