Ọ dị mma ịnweta iwu sitere na otu ndị na-anụcha ọla edo na Yuannan, China. Akụkọ malitere site na afọ gara aga na Shenzhen Jewelry Trade Fair. Onye isi ala Mr. Zhao nwere nzukọ mbụ anyị na ya wee sị na ya nwere nnukwu ebumnuche ya na anyị na-azụ ahịa n'ihi igwe dị elu nke anyị bụ mmadụ ...
Zijin Group, dị ka ụlọ ọrụ edepụtara na 500 kacha elu nke China, bụ ndị China Gold Association nwetara ọkwa dị ka "igwe ọla edo kacha ukwuu nke China". Ọ bụ otu ndị na-egwuputa ihe na-elekwasị anya na nyocha na mmepe nke akụ na ụba ọla edo na ihe ndị bụ isi nke igwe. N'afọ 2018, anyị bịanyere aka n'akwụkwọ nkwado visa...
Na Mee. 2017, anyị na-ebugara 10kg platinum-rhodium alloy high vacuum smelting equipment and 100kg water atomization pulverizing equipment to a great metal refining company in North Korea. N'August. 2021, anyị napụtara a 2kg agụụ gold mmanya nkedo akụrụngwa na a coi ...