Upcoming Tradeshows ········································ See Gemvision technology in action at these upcoming worldwide tradeshows... » Upcoming Tradeshows Home > Contact Us > O.T.E.C Co, Ltd.   Please contact... O.T.E.C Co, Ltd. 62 Nhieu Tam Ward 5, District 5 Ho Chi Minh City, Vietnam phone + 848 9231657 phone + 848 9241771 fax + 848 92316556 email vanlock@hcm.vnn.vn web www.otec.de
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