United Precision Technologies Co., Ltd. (UPT) is an ultra-precision metal processing manufacturer that leverages photo-etching and diffusion-bonding technologies to achieve products that are “smaller, thinner, and finer than anywhere else.” With strengths in micro- and precision forming, the company develops and mass-produces a wide range of high value-added products, including VCM springs for OIS (optical image stabilization) in smartphone cameras, semiconductor test sockets/contact components, precision shims and spacers, microchannel cooling parts, and process jigs and trays.

Etching,