Yueqing Quintessence Fastener Co., Ltd. Bookmark Write a Review Claimed Uncategorized Products / Servicessems, self tapping screw Location 39 Xiang Nan Xi Lu, Wenzhou Shi, Zhejiang Sheng 325603, China Contact Information +86 577-62878811 (Log in to view E-mail) Website URLhttp://www.qfastener.com/