ọkwa:

Na 2013, iji mejuputa iwu ụtụ isi mbubata ọla edo, ndị isi nchịkwa nke kọstọm nyere ọkwa nke 16 na 2013, bụ nke gbanwere n'ụzọ doro anya ọkọlọtọ ọla edo na ọkwa No.29 nke General Administration of Customs na 2003 na ntinye ọla edo. ọkọlọtọ nke Ministry of Industry and Information Technology degharịrị.N'oge na-adịbeghị anya, Ministry of Industry na Information Technology degharịrị gold concentrate standard ọzọ, na ọkwa No.29 nke General Administration nke Customs na 2003 banyere gold ore kwesịrị mejuputa gold itinye ụkpụrụ ugbu a.

Nkwupụta a ga-amalite n'ọrụ dị ka ụbọchị mgbasa ozi, na ọkwa No.16 nke General Administration of Customs na 2013 ga-ewepụ n'otu oge ahụ.

NewỌkọlọtọ itinye uche ọla edo edegharịrị

Ọkọlọtọ a na-akọwapụta ihe achọrọ teknụzụ, ụzọ nyocha, iwu nyocha, nkwakọ ngwaahịa, njem, nchekwa, iwu amụma ịdị mma na iwu ịzụrụ (ma ọ bụ nkwekọrịta) nke ntinye ọla edo.