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Subject: Installation Works of Water Supply and Cubicle Partition in Toilets on 15/F, Sunshine Centre, 16 Wing Lok Street, Aberdeen, Hong Kong - Notice of Job Completion

Dear Mr Chung,

Here is a preliminary copy of our invoice (no. 123456) for the works you requested. According to your "Instruction to Commence Work" on June 5, 2020, we commenced the works on June 22, 2020, and the works had been completed on July 8, 2020. Please confirm us your order reference as soon as possible.

Attached photos are for your review. If you are satisfied with the works, please sign off on the "Notice of Job Completion" and return by email. The invoice will be mailed to you.

Your prompt reply would be appreciated.

If you have any queries, please feel free to contact our Project Manager, Tony Wu at 1234 5678.

Thanks and regards,