As I talked to you and Taniguchi-san last month, we found out the noise problem of 4P-A.
Then we made quick reponse of promising you to replace all of the 24 pcs 4P-A step by step.
Right now, I already sent you 13 pcs new version 4P-A probes. And, of course, we will send you the left 11 pcs next month.
Hence, I strongly recommend that you could use the new 4P-A instead of the old version now.
Meantime, please send the old 4P-A back to SonoScape's HK warehouse.
How do you think?
One more thing, please help me to fill the attached list.
Looking forward to your reply.
Thank you for your continuous support and best regards.