2850009020 Chinese tariffs HS code Potassium borohydride, sodium borohydride, antimony hydride, with a purity greater than 99.999% (containing antimony hydride diluted in inert gas or hydrogen)
Potassium borohydride, sodium borohydride, antimony hydride, with a purity greater than 99.999% (containing antimony hydride diluted in inert gas or hydrogen)