Answer:

Stainless steel electrolytic polishing process, the general process is: pre-treatment - Electropolishing - post-processing.

That is, to the electropolishing This process does not end, the next process is:

(Then electrolytic polishing) - cold water - passive - cold water - and in - cold water - hot water - dry - Next fixture - storage.

With 2% phosphoric acid water to wash and then rinse, then dry.

Added: cleaning by water with vinegar , then rinse.