The customer send inquiry about optical level switch to me
in one night.we reply him and quote to him ASAP in the second day.
After some days,he reply me that he hope send sample to him at first,
they he bear freight and provide his DHL account.
After discussing with my boss,we agree it.And we contact
with factory ASAP.
We shipped it today.
We had a good conversation with our customers.
Looking forward to customer feedback.