Flat 708, 7 / F, Golden Gate Comm. Bldg. , 136-138 Austin Rd, Tsimshatsui, Kln

Duomi metals Is a powerful corporation mainly engaged in exploitation, smelting and distribution of mineral resources.<br/><br/>Our company will mainly engage in home trade...

Minor Metals: tellurium, bismuth, vanadium, germanium, gallium, mercury, thallium, selenium, indium, antimony, cadmium, scandium, cerium, yttrium, lanthanum Chemicals: tellurium, dioxide, lead telluri...