IT - 10 c is a for anion powder made healthy health care products, electrical powder and all kinds of coating products such as the anion best measurement tools, can be aimed at different traits such as solid, liquid and powder product testing, adopts the most advanced American GM, ion detection technique can accurately detect from 0 to 9999 / cm3 negative ion concentration, is a research and development institutions, anion health food chain, the textile health performance evaluation, all kinds of negative ion products research and development and sales of the best tools.