You can refer to what big companies, especially listed companies, do.

Disassemble and degrade from raw materials, machinery, labor, transportation and other aspects.

Countries have special production standards, you can find them.

It mainly depends on the supplier and the goods you get, because many sanitary products are daily needs and rigid, depending on the price.

You can use SEO. If you need it, you can contact me.

Isn't there a column for industry information.

Formulate management system, then assign responsibilities to individuals and clean them every day

I use ABC by myself. It's not bad.