Suppliers from Poland

Whre is the best place to search for them? I did found some by googling, but not much reviews and they look shady.

Im looking for supplier from Poland (construction tools)

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u/minepuf — 14 hours ago
▲ 8 r/Excel247+1 crossposts

How to compare data

How you compare different excel files with similar or same data to see if they match? I have 2 shops and same inventory, its very time consuming to check 2 files with 500 lines and then update 3rd file to see my real stock. Is there any way to match them faster?

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u/minepuf — 8 days ago