Mankhwala onunkhira amafunikira kuti machubu okopa a Triptor ndiye msika wachiwiri wopangira mankhwala a oxagen.Ajijiren ndiye wotsogolera mankhwala a oxygen akufuna machubu ochokera ku China.
2Ml yamadzi kapena sample yamadzi yotayidwa imawonjezeredwa kwa oxygen yomwe imafuna kuti machubu okhala ndi chimbudzi komanso chothandizira. Aizererire ndi wotsogolera wa mankhwala oxygen amafunikira machubu ochokera ku China.
