The metal shelves are everywhere in the warehouse, library and supermarket, we developed a special RFID tag for the metallic shelves management. A HF (13.56MHZ) or UHF (860-960MHZ) RFID chip inside the tag, and colorful printing on the surface contain bar
South America is the continent with the widest and most complete trade data of Tradesparq. There are currently 10 countries import data and 9 countries export data searchable in our system. South America is one of the largest trading continents in the wor