Dongguan City Aoyi Hardware Co., Ltd. Bookmark Write a Review Claimed Uncategorized Products / Servicestaptite trilobular screw, self tapping screw Location 2 Ban Hu Bei San Jie, Dongguan Shi, Guangdong Sheng 511700, China Contact Information +86 769-82118001 (Log in to view E-mail) Website URLhttp://www.jiachengcn.com/