1. Metal materials such as Tellurium, Bismuth, Indium, Gallium, Germanium, Selenium, Tin, Copper, Molybdenum, Titanium, Tungsten, Zinc, Silver, Scandium, etc with purity of 99.99%-99.99999%,shapes can be customized into ingot, rod, pill, powder and others;
2. TeO2 ,GeO2,Bi2O3, In2O3, Galinstan, Bi2Te3 and other related oxides&compounds.