Yes, and "dozens more" needs to be changed to hundreds more, with most not being known even to industry insiders. Lots of them are single vendor globally, and a

Yes, and "dozens more" needs to be changed to hundreds more, with most not being known even to industry insiders. Lots of them are single vendor globally, and are Taiwanese. For example, FOUP cleaning machines are made only by Gudeng (as well as ultra low particle FOUPs themselves,) and don't think that "cleaning machine" is any much less sophisticated than other equipment. It's the size of a truck, made of space age materials to survive fluorines, and costs many megabucks.