Complex sentence: In 1958, the school was renamed Lanzhou Polytechnic Institute; and in that same year, after a merger with Gansu Communication College, the Institute was renamed Gansu University of Technology.
Split into simpler sentences: In 1958, the school was renamed Lanzhou Polytechnic Institute. In the same year, it merged with Gansu Communication College, it changed its name to Gansu University of Technology.