(June 18, 2020, 9:58 AM EDT) -- DALLAS — A company that sells drill bits for use in hydraulic fracturing operations on June 17 sued the manufacturer of those bits, alleging breach of an exclusive contract between the two companies on grounds that the manufacturer “directed, encouraged, or otherwise incentivized” other dealers to market and sell the equipment at issue (C&H Tool & Machine Inc. v. Varel International Ind. LP, No. 20-1607, N.D. Texas)....