Track mateiral qty by currency ?

Hi Experts,

Really need your help for one case. Now we need apply for Customs for our parts which is bought by USD.

In our warehouse, we have seperated the location which one is for USD parts, another is for CNY parts. for one part , it could have stock in CNY and USD location both. But when warehosue provide matierials to production line, currently, we place materials into one location on production. So we will not know when operators build the products, if it use CNY part or USD part.

We hope to know each product matieral usage , about CNY or USD part qty.

How we could configure to meet such request? We once plan to setup new location in production line too, like for one part, two location - usd and cny. but if that, operator may need modify locaiton when they do backflush or confirmation production order , This will confuse them

Any advice?

Thanks

Alice