Isahani ya Granite, yakozwe na Jinan Black Granite, ikoreshwa mugupima neza, kugenzura, imiterere no kwerekana ibimenyetso.Bakundwa nicyumba cya Precision Tool, Inganda zubwubatsi na Laboratoire zubushakashatsi kubera ibyiza byabo bikurikira.
-Ibikoresho byatoranijwe neza bya Jinan granite
-Neza neza.
-Uburemere bukabije no gukomera
-Icyiciro cya 1, 0, 00 kirahari.
-T-uduce cyangwa umwobo urashobora gukorwa ukurikije ibisabwa
Ingano isanzwe yose iri mububiko kandi ingano idasanzwe cyangwa igishushanyo gishobora gukorwa nkuko ubisabwa.
Igihe cyo kohereza: Ukuboza-31-2021