March 21, 2018 Starting from 21/03/2018 the Ertle Ltd’s Ukrainian design affiliate Derffer TOV is headed by Mr. Ignace Haertle. You Might Also Like CREATION OF EGIS ERTLE ENGINEERING. March 19, 2021 COMPANY EXPANSION April 5, 2019 New construction of a packing work shop of a cement production plant May 8, 2018