Mentech has established long-term partnership with a number of well-known telecom device makers, such as Huawei, ZTE, TP-Link, Nokia, Ericsson, Jabil Circuit, H3C, Skyworth Electronics, Foxconn, Samsung etc.
Link: https://www.new-techguide.com/manufacturer/mnc/
And they’re on Nokia’s supplier list:
https://www.nokia.com/sites/default/files/2022-03/Nokia%20supplier%20list%202021_3.pdf (https://www.nokia.com/sites/default/files/2022-03/Nokia%20supplier%20list%202021_3.pdf)
Thus is not some run of the mill small fry we are dealing with imo.