Akụkọ
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Nyocha nke Tea Plant base
Ndị ahịa America bịara China inyocha ebe osisi tii.China nwere ogologo akụkọ ihe mere eme nke osisi tii.Teknụzụ nhazi tii n'ụwa niile sitere na China.Nleta nke ndị ahịa America na-agụnye mmụọ nke ụzọ silk....GỤKWUO -
Nleta na mba 5 dị na Eastern Europe
Ngalaba Azụmahịa nke Shanxi sochiri onye isi njikwa nke Ruiwo gara mba 5 dị na Eastern Europe iji soro ibe ha na-emekọ ihe ọnụ.GỤKWUO -
Nleta na French Institute of Botany
Onye isi njikwa nke Ruiwo gara French Institute of Botany maka nkwukọrịta na ọmụmụ ihe.France nọ na-ebute ụzọ nyocha ihe gbasara ahịhịa oge niile, nwee ahụmịhe nyocha na nsonaazụ ya.GỤKWUO -
Nleta na Ministri Azụmahịa Hungarian
Onye isi njikwa nke Ruiwo gara Hungarian Ministry of Commerce, na-enwe mkparịta ụka miri emi na enyi na enyi gbasara imekọ ihe ọnụ.GỤKWUO -
Mmekọrịta ya na ngalaba Africa nke ọhịa
Afrịka nwere oke ọhịa mmiri ozuzo nke nwere ọtụtụ ihe ndị dị ndụ ma bụrụ otu n'ime ebe ndị sitere na akụrụngwa.Ruiwo jikọrọ aka na ngalaba nke Africa na akụrụngwa.GỤKWUO
