Hong Kong :

Acoustic Arc Technology Ltd.

Unit 110-112, 1/F., Building 5E, No. 5, Science Park East Avenue, Hong Kong Science Park, Shatin, New Territories, Hong Kong.
Tel : (+852) 2607-4015
Fax : (+852) 2607-4016

China :
'
ShengHai Electronics (Shenzhen) Ltd.
Block 17-18, Hui Ming Ying Industry, Yan Chuan, SongGang, Baoan District, Shenzhen, China  518105
Tel: (+86) 0755-2997-6656