Transtech Optelecom Science Holdings Limited
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- Investor Relations
Phone ：（852）2665 7799
Fax ：（852）2665 7881 
E-mail ： enquiry@transtechoptel.com 
Address (China): No. 1089, Yu Cai West Road, Fuyang, Hangzhou, Zhejiang, China. Address (Hongkong): No.3 Dai Kwai Street, Address (Thailand): No. 7/324 Moo 6, Marbyangporn Sub-district, Plaukdaeng