Peb zoo siab tshaj plaws tshaj tawm tias ntau pua lub tungsten carbide khawm tau raug npaj rau xa mus rau ib qho ntawm peb cov neeg siv khoom muaj txiaj ntsig hauv Tebchaws Europe .
Xav Txog Cov Neeg Siv Khoom Kom Zoo Rau Cov Khoom Siv Kom Zoo, peb tsis tsuas yog siv cov khaub ncaws rawing zoo tab sis kuj nias cov khaub ncaws me me, cov khoom siv kub supbide, thiab lwm yam .
Ntawm Guizhou Kub Cov Khoom Siv Kub, peb ua tshwj xeeb hauv kev tsim cov khoom lag luam zoo nkauj {}} Kuv ntseeg tias ib qho kev ntseeg siab pob zeb hluav taws xob .
