... instrument research and development.Lead the manufacture technology:·Classical optical technology route, Paschen-Runge mounting.·Owed majority patents in ... , metal working etc, can analyze Fe, Al, Cu, Ni, Co, Mg, Ti, Zn, Pb, Sn, Ag varieties of metal ... .·Integrated weapon lens isolating valve, prevent intensity descending from optical chamber polluted by routine attention, while the lens easily ...