.
Please find attached the revised purchase order for the correct brand of ***. Your
order is ready at the reception desk in our office. Please collect it as soon as possible. The original document will be sent to you by courier tomorrow. Please sign and return one copy to us for reference.
Your company name, *** , has been changed to ***. Please find attached a copy of the revised PI.
I don't know what 'Pl.' means at the end of your message; therefore the person who receives your message may not understand, either. As a rule, do not use abbreviations in business communications.