Ibyiza byacu:
1. Uruganda rwa Tiancong rufite itsinda ryacu rya tekiniki hamwe numurongo wo gutunganya, byemejwe na sisitemu ya ISO9001, birashobora gutanga imiterere yihariye, ubuziranenge bwibipimo kubakiriya bakeneye.
2. Uburambe burenze 30years bwo gukora, burashobora gufasha abakiriya kwirinda amakosa amwe n'amwe.
3. Kugenzura ubuziranenge bukomeye buturuka ku musaruro, kuvura hejuru, gupakira.
4. Urutonde ruto ruremewe
