Hong Kong, Chinaimports of Hydrogen fluoride (hydrofluoric acid) was $4.73K . Hong Kong, Chinaimported Hydrogen fluoride (hydrofluoric acid) from China ($4.73K )Hong Kong, Chinaimports of Hydrogen fluoride (hydrofluoric acid) was $4.73K . Hong Kong, Chinaimported Hydrogen fluoride (hydrofluoric acid) from China ($4.73K ).Hydrogen fluoride (hydrofluoric acid) exports by country in 2021