Mitsubishi Subsidiaries Faked Aluminum, Brass, Copper Data

A report stated Mitsubishi Cable Industry faked data on O-ring sealing products used on metal parts such as pipe fittings. Mitsubishi Shindoh Co. tinkered with data on copper products. Similar problems were found at Mitsubishi Aluminum Co.

Nov. 28, 2017

Nov. 28, 2017—Mitsubishi Materials Corp. (MMC), a maker of components used to make autos, aircraft and electricity generation equipment, issued an apology on Nov. 24 for faked quality data by some of its subsidiaries in order to meet specifications according to a Detroit News report.

The company released a report of its findings on Nov. 23. The report stated that Mitsubishi Cable Industry (MCI) faked data on O-ring sealing products used on metal parts such as pipe fittings.

Data was falsified for around 270 million units sold between April 2015 and September 2017 to a total of 229 customers.

Mitsubishi Shindoh Co., another of its subsidiary, tinkered with data on copper and brass products.

Similar problems were found at Mitsubishi Aluminum Co.

Furthermore, the company notes that MCI first discovered the problem in Feb. and on Oct. 23, MCI suspended the delivery of "nonconforming products" and reported its findings to MMC on Oct. 25.

Mitsubishi Materials said the problems affected scores of customers.