1. The plaintiff's appeal against the defendants is dismissed in entirety.

2. The costs of appeal shall be borne by the Plaintiff.

purport, purport, and.

1. Basic facts

A. The Plaintiff entered into a contract with D for a new construction work (hereinafter referred to as “the instant construction work”) of 1,952 square meters of the building area of 1,952 square meters and 2 composts (which shall be classified into JJ-dong and K-dong according to the order of construction work) on the ground of D, and commenced around August 30, 2017.

B. On September 8, 2017, the Plaintiff entered into a contract with the said Defendant to be supplied with ready-mixed concrete (hereinafter “instant supply contract”) necessary for the instant construction from Defendant B (hereinafter “Redy-mixed”), and received orders from the said Defendant for the supply of ready-mixed (hereinafter “instant supply contract”). From September 9, 2017 to November 1, 2017, the Plaintiff received orders from the said Defendant at 21MPA ready-mixed 108 cubic meters and from 24MPA 889 cubic meters from September 9, 2017 to November 1, 2017.

On September 21, 2017, whether the Plaintiff’s assertion was defective in the construction site of the Plaintiff’s temporary compressed robbery (MPA) volume (MPA) : (a) on September 24, 2017; (b) on September 21, 2017, 2017; (c) on September 24, 2017; (d) on September 24, 2017, Sept. 24, 2017; and (e) on September 26, 2017, on September 24, 2017, (e) on the wall at the bottom of the 3200 dunes of September 246, 2017, (e) on September 24, 2017; (e) on October 24, 2017, (e) on July 24, 2017, (e) on the 2014 non-permanent wall at the 274.

C. Defendant C Co., Ltd (hereinafter “Defendant Co., Ltd”) concluded a supply contract with Defendant B on March 13, 2017, as a manufacturer and seller of ready-mixed.

Defendant B received ready-mixed from the Defendant Company and supplied the Plaintiff with compressed-mixed 889 cubic meters from September 9, 2017 to November 1, 2017, the compressed-Robbery 21MPA ready-mixed 108 cubic meters from September 9, 2017, and supplied the Plaintiff with compressed-mixed 24MPA 889 cubic meters.

(2) From September 18, 2017 to October 27, 2017, compressed robbery 24MPA ready-mixed 849 cubic meters supplied to the Plaintiff (hereinafter “instant ready-mixed”). D.

During the construction of the instant case, on October 22, 2017, the Plaintiff discovered cracks from the wall wall of the money company, and resisted the Defendants with respect to the cement quality.

Since then, it is also necessary to set up the walls of the J-dong and the K-dong floor of the retirement company.