Sao Tome and Principeimports of Manostats was $2.41K . Sao Tome and Principeimported Manostats from Portugal ($2.41K )Sao Tome and Principeimports of Manostats was $2.41K . Sao Tome and Principeimported Manostats from Portugal ($2.41K ).Manostats exports by country in 2023