How to write a request for instructions on purchasing a sewage cutting pump?

Displayed according to the query official website.

1. First of all, respectfully address the leader and state in detail that the sewage cutting pump equipment can no longer meet the current needs and has the following problems.

2. Secondly, after market research and comparative analysis, a brand or model of sewage cutting pump equipment was selected. This equipment has the following advantages.

3. Finally, write down the specific purchase plan, including quantity, unit price, total price, payment method, etc., fill in the application department, applicant, and date.