亞洲國產成人精品一區91_激情五月天综合小说_91久久精品中文字幕_国产一区二区中文字幕欧美精品_av一级片在线观看_3000部国产bt视频_日本三级无码中文字幕_电影《汤唯》免费观看高清

Runkun (Shanghai) Optical Science& Technology Co., Ltd. was founded in August, 2016 with registered capital ¥ 50,000,000 and is a high-tech enterprises specialized in high-precision optical devices and ultra-precision optoelectronic system development. Our company is based in 1st floor, Building 18, No. 3333, Xinzhuang Industrial Park, Shanghai, China.

Our company has made rapid strides in manufacture of high laser induced damge threshold (LIDT) film devices, ultra-precision complex shape optical devices, precision laser system and high-precision optical engineering, since we've built a platform incorporate the production of high-precision optical devices machining and high-quality laser films devices and the research of ultra-precision optoelectronic system.