ODM (Original Design Manufacturer) cleaning floor scrubbers for manufacturing plants are specialized, often autonomous or ride-on machines (like Tennant's AMR) that use brushes/pads with water/solution to deep-clean concrete/hard floors, removing oil, grease, and debris, boosting efficiency, lowering labor costs, and improving safety in large industrial spaces, with many brands offering customizable, durable, and eco-friendly options for various plant needs, notes https://cleaningbling.com/about/. 

This video provides a demonstration of an autonomous floor scrubber:

Where to Find ODM Options:
You can find ODM manufacturers and suppliers on B2B platforms like Alibaba and Made-in-China, or through specialized industrial cleaning equipment distributors who offer various brands and models.