Hefei Quantum Quelle Nano Science & Technology Co., Ltd is a high-tech enterprise created by Dr. Li from Germany in Feb. 2010. The company produces mainly nano metals and related nano materials for electronic, chemical, clearing energy, biological and powder metallurgical applications. The company can now supply nano metals, such as nano nickel, nano copper, nano silver, nano tin and nano indium et al. And also nano oxide and compound, such as nano NiO, Ni(OH)2, nano Cu2O, nano CoO, nano ZnO, In2O3, nano SnO2 and nano ITO by our patented technology.