3s Silicon Tech., Inc. provides power device assembly equipment in Mainland China, Taiwan, and internationally. Its products include stencil printers, die and clip attach systems, reflow and vacuum reflow ovens, and formic acid reflow ovens. The company also supplies flux-free solder paste for formic acid vacuum reflow ovens, operates an open lab for customer product verification, and offers discrete power device processes, custom production automation solutions, technical support, and maintenance services. It serves the automotive, consumer, and industrial sectors. Founded in 1998, it is headquartered in Hsinchu City, Taiwan.