Zhuzhou city,Hunan province,China Zhuzhou, Hunan
JAYU OPTICAL MATERIAL CO.located in Zhuzhou City,Hunan Province,China . We are specializing researching, producing and selling vacuum evaporation optical coating material over 10 years, it has been able to research, produce sell such series of materials ...
tungsten wire, Tungsten rod bar, plate, wire, E-Beam filament, Vacuum evaporation materials, thin film, optical coating materials