Upcoming Tradeshows ········································ See Gemvision technology in action at these upcoming worldwide tradeshows... » Upcoming Tradeshows Home > Contact Us > OTEC COMPANY, LTD   Please contact... OTEC COMPANY, LTD 62 Nhieu Tam P.5, Q.5 Ho Chi Minh City VIETNAM phone (848) 924-1771 fax (848) 923-1656 email vanlock@hcm.vnn.vn
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