 ALBANY, N.Y., April 21, 2021 PRNewswire -- MTI Instruments, Inc. MTI Instruments, a wholly-owned subsidiary of Mechanical Technology, Incorporated NASDAQ: MKTY, announced today that Compagnie de Saint-Gobain Saint-Gobain has selected MTI Instruments non-destructive measurement technology to help streamline the Saint-Gobains manufacturing research and development. 