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Micro Nano Optics tau raug caw tuaj koom hauv 19th "Tuam Tshoj Optics Valley" International Optoelectronics Expo
Beijing Huina Optical Instruments (Group) Co., Ltd., yog ib lub tuam txhab ua lag luam nyob rau hauv micro-nano, optics, scientific laboratories, thiab cov cuab yeej thiab cov cuab yeej, showcased nws cov tshiab innovation nyob rau hauv lub 19th "China Optics Valley" International ...Nyeem ntxiv