Dear Siegfried,
Sorry for late reply.
We have completed the test of Chemical composition, Metallographic and the Dezincification Resistance.
All of test is passed except the Dezincification Resistance.
The test report as attached for your reference.
For this reason, we couldn’t agree you to release shipment.
Please help to reproduce all of brass ingot and provide the new samples to us again.
If you have any concerns or questions, please let us know soon.
Thank you.