Gem, ndiwo mubairo wakanaka wezvakasikwa, uye isu tiri vatakuri vegem.D&T Trading Co., Ltd. yakazvipira kuunza iyi yakanakisa pfuma-yechokwadi kune vese vanoda runako.
D&T ndeimwe yevagadziri vakakura, vemazuva ano uye vane hunyanzvi muWuzhou, ine makore anopfuura makumi maviri echiitiko chekugadzira, ichitarisa pane anopfuura makumi matatu ematombo echisikigo akadai seruby, sapphire, uye tsavorite.D&T inonyanya kutengesa kunze kwenyika dzinopfuura zana senge. India, Thailand, United States, Poland, uye Switzerland, uye vakahwina mukurumbira wakanaka, Seyakasanganiswa gem bhizinesi kubva kune mbishi zvinhu kusvika pakugadzira, kutengesa uye masevhisi.