Akụkọ ụlọ ọrụ
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Ihe nrụbama ọhụrụ nke mbupụ
Na nso nso a, International Business Department of Standard Material (Sample) Center nke ọma bịanyere aka n'akwụkwọ iwu mbupụ na Hegang Serbia Group, na-akara akara "efu" nke azụmahịa mba ụwa nke ọkọlọtọ ọkọlọtọ, na-egosi mmepe dị elu nke...GỤKWUO
