competitive price,good quality high purity tellurium Our company sell high purity tellurium metal ingot of 99.999%,99.9999%,99.99999%specification: tellurium>99.999%, total impurities<10 ppm. tellurium>99.9999%, total impurities<1 ppm tellurium>99.99999%, total impurities<0.1 ppm.Chemical content 5N,6N and 7N(standard NO. YS43-1992) TrademarkChemical compositionTe≥,% Impurities,≤ppmSi ...