Could you help me with this sentence?

PI for your reference. = Product information for your consultation???

Thanks in advance!
Could be. Hard to judge with no other context. There are [url=http://www.acronymfinder.com/PI.html ] A LOT OF CHOICES[/url].
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This text was with pro forma invoice. Thanks, I think that the translation ic correct.
I mean it should be PI - proforma invoice Emotion: smile