Units 1708-10, 17/F, Prosperity Centre, 25 Chong Yip Street, Kwun Tong, Kowloon.

Unit 203, 2/F, MARS Centre, 2 Dai Wang Street,Tai Po Industrial Estate,
Tai Po, Hong Kong

5/F , Factory Building A of Changfang Lighting Industrial Plant, Zhukeng Community, Longtian Street, Pingshan District, Shenzhen