how much detergent is used in a month is different for each company, so it is impossible to make it up. It is necessary to investigate and get the actual data.

such as:

1, type of detergent

2, brand of detergent

3, unit price of detergent

4, daily usage of detergent

5, types of stains mainly cleaned by the company

6, cleaning effect of the same dosage of detergent for main stains (wasted, Still not enough)

6.1, cleanliness of washed articles-visual inspection

6.2, greasy degree of washed articles-hand feeling

6.3, residue degree of detergent after cleaning-refer to instruction manual

6.4, will the residue cause harm to human body-refer to instruction manual

6.5, whether there is any environmental impact when discharged. You can list and compare

The format of the tender can recommend one, Baidu Library, and there is an article "Daily Cleaning Tender", which is ok and can be used for reference.

link address:/view/1c789a16ef9faef8941e164a.html.