HIIG Trinity (Anhui) Technology (产投三佳(安徽)科技股份有限公司, formerly known as WenYi Trinity Technology, 文一三佳科技股份有限公司) is a company that manufactures semiconductor integrated circuit packaging molds, equipment, and precision components. Its products include automated molding systems, extrusion tooling, trim and form systems, stamping components, bearings, housings, and seal kits.