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210A Photonics Center, 2 Science Park East Avenue, Hong Kong Science Park, ShaTin, Hong Kong
4-5/F, A Building, Shen Lian Industrial Zone, Feng Gang, Dong Guan City, PRC
3-4/F, A3 Building, Jiu Jiu Tong Xin Industrial Zone, Tong Le, ShenZhen Chity, PRC