1. The plaintiff's claims against the defendants are all dismissed.

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

1. Basic facts

A. The Plaintiff is a company that operates a housing construction business, and is a construction business entity in the order of 147 in order of the appraised value of construction capacity of 2008 as of the base for the year 2008. Defendant A limited partnership company, B stock company, D stock company (former E-stock company), C stock company (hereinafter the Defendants are referred to as “joint partnership company,” and the indication of “joint partnership company,” and “stock company,” are companies that manufacture and sell ready-mixed in the F area and are stipulated in Article 2 subparag. 1 of the Monopoly Regulation and Fair Trade Act (hereinafter the “Fair Trade Act”).

B. The current state and characteristics of the ready-mixed market are 1) ready-mixed (REICN, Redy Mixed Conte) is a concrete in an unbrupted state which combines cement (13.0%), sand (38.4%) gravel (41.1%) and water (7.5%) according to the standard distribution ratio from one cubic meter of 1 cubic meter, and has the temporary and non-storage nature that should be discarded if the ready-mixed is not removed within 60 minutes after its manufacture (8%). In accordance with the single and non-storage nature, it is limited to a certain area where the ready-mixed can be supplied within a limited period of time, and its sales market is limited to a certain area where the ready-mixed can be supplied within a limited period of time, and according to its characteristics produced by standard distribution ratio, competition between enterprises within a certain area is conducted mainly for price. 2) The mayor is a water-supply market and a water-supply market.

The public water market is formed by the market for each area of the ready-mixed Industry Cooperatives, and transactions are conducted by the method of competitive bidding for desired quantity, and the public water market also takes place according to individual contracts in a market within a range similar to the public water market according to the characteristics of the above ready-mixed.

The water supply market for Cheongbuk-do is divided into four zones as follows:

(As of December 31, 2009, units are opened) Cheongcheon-gun, Jincheon-gun, Cheongju-si, Cheongju-si.