Gowing e fumaneha China, e iketsetse ka nts'etsopele, tlhahiso, le ho romela kantle ho naha ea libotlolo tsa khalase le lisebelisoa, bareki ba rona ba lefats'e ka bophara mme ba hlahlobiloe haholo ke bareki.Lihlahisoa li kenyelletsa libotlolo tsa oli ea bohlokoa, libotlolo tsa dropper, libotlolo tse nkhang hamonate, libotlolo tsa bolo, libotlolo tsa spray, le libotlolo tse ling tsa khalase le libotlolo tsa polasetiki.U tla khotsofatsoa ke 100% ka theko ea hau.