Ibihe byinshi byubuyobozi bwimishinga na 1 kumurongo umwe utanga agaciro k'itumanaho rito ry'ubucuruzi n'uko twiteze ko ibyo twitezeho ifu y'igitambaro,Umuringa (Ii) karubone reagent gr &,Umuringa (Ii) Oxide ACS Reagent Ifu,Umuringa (Ii) dichloride,Umuringa hydroxy - karbone. Twoherejwe mu bihugu birenga 40 n'uturere, byagaragaye neza mumyambarire yacu ku isi yose. Ibicuruzwa bizatanga ku isi hose, nk'Uburayi, Amerika, Ositaraliya, Boussia Dortmund, Panama, mu Butaliyani, maze mu Butaliyani Intego nyamukuru yisosiyete nukubaho ububiko bushimishije kubakiriya bose, kandi bashiraho gutsinda igihe kirekire - Win Isano. Kubindi bisobanuro, nyamuneka twandikire. Kandi nibyishimo byacu niba ukunda kugira inama ku butegetsi mu biro byacu.
Va ubutumwa bwawe