Take context from the input text and decide on the accurate relationship between 'water treatment' and 'water' from the options provided.
Options: stock exchange, member of, product/material produced, publisher

So, by leveraging our water filtration technology with our partners' expertise within several projects in the region, we believe that joint venture is ideally positioned to address the need for water treatment solutions for areas in the Middle East where there's local water scarcity.
product/material produced