Smart One System Ltd.
Phone:+852-2508 6441, 922 99 678
e-mail:info@smart-one.com

Office address:
Unit 111, 15/F, Hip Sang Bldg., 111 Hennessy Road, Wan Chai Hong Kong.
Workshop address:
35A, 35 Floor, Sunshine Plaza, 353 Lockhart Road, Wan Chai, Hong Kong.