Sales and Head Office: 5/F, 21 Li Yuen Street West, Central, Hong Kong Phone : +852 25232659 Fax : +852 28454833 | Engineering Office: Unit B, Room B17, 3/F, Koon Wo Industrial Building, 63 - 75 Ta Chuen Ping Street, Kwai Chung, New Territories Phone : +852 3766 9717 Support : tech-support@tetra-intl.com |
