First of all, it is worth reading reviews and ratings from other companies that have used different degreasers. This can help you determine which ones are the most effective and reliable. Look at local suppliers of industrial chemicals and cleaning supplies in your area. I think many of them offer heavy duty degreasers. The IPAX company definitely has such products
https://ipax.com/blog/power-and-precisi ... egreasers/ Only analysis will help you choose the right supplier. And you should definitely test the products before bulk order