Can the mother film be returned to us after decryption?

Not in principle.
Decrypt the single-chip microcomputer made by hardware, the chip is opened, and there are traces of our circuit modification. We don't want our technology leaked, so this method must not be returned to the master!
For the decryption of the software, there are also small traces of our decryption, but the possibility of this leak is very small, and can be returned to the customer in special cases, but we need to charge a certain fee, generally about 1K, this is mainly used to clear my decryption Of traces.

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