E-Tron Co., Ltd. and 8 others as part of the Ehwa consortium were selected as the preferred bidder to acquire Seunghwa Pretech Co., Ltd. on March 30, 2015. The deal has been approved by the court on March 30, 2015. As of April 1, 2015, M&A investment contract was signed. The total acquisition amount was paid to Seunghwa Pretech Co., Ltd. before the signing of contract. KPMG Samjong Accounting Corporation acted as accountant to Seunghwa Pretech Co., Ltd.

E-Tron Co., Ltd. and 8 others as part of the Ehwa consortium cancelled the acquisition of Seunghwa Pretech Co., Ltd. on March 30, 2016.