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