Who knows what Xinxiang 540 factory is like?

Among the aerospace military enterprises in Xinxiang, 134 is the largest, followed by 1 16 103, and finally 540. Among them, 103 was a joint venture with Japan a few years ago, and its management and production have made great progress, which is a model of Aviation Group II. In the past two years, 134 and 103 have been merged into SIA, and 1 16 and 540 have no problems.

540 is Bashan filter, and 1 16 factory is basically a plain filter company. Internship, 1200 (a few years ago).