QST INTERNATIONAL CORP. (HEAD OFFICE) Bookmark Write a Review Claimed Uncategorized Products / Servicestaptite trilobular screw, automotive fastener; auto, weld stud, SEMS, taptite, special; COLD HEADERS Location 203 Section 1, Changrong Road CHANG RONG ROAD, TAINAN, Tainan City 701, Taiwan Contact Information Becky #1316 +886-6-208 2010 (Log in to view E-mail) (Log in to view E-mail) Website URLhttp://www.qst.com.tw/