Sao Tome and Principeexports of Rubber; used pneumatic tyres was $0.56K . Sao Tome and Principeexported Rubber; used pneumatic tyres to Angola ($0.56K )Sao Tome and Principeexports of Rubber; used pneumatic tyres was $0.56K . Sao Tome and Principeexported Rubber; used pneumatic tyres to Angola ($0.56K ).Rubber; used pneumatic tyres imports by country in 2018