Reporting question for Vacuum Tube - 12AX7 / CV4004, Mullard Reissue

Product:
Vacuum Tube - 12AX7 / CV4004, Mullard Reissue

Question:
Can you get these "Mullard" (CV4004) screened by APEX? If not exactly what kind of screening are done to them?

Answer:
We do not test or screen the preamp tubes in house. All screening and testing would be done by the manufacturer.