Chien Wei Precise Technology Co., Ltd. engages in the manufacturing and distribution of precision machines and measuring and testing equipment. The firm specializes in integrated circuit-semiconductor special accessories, trimming, forming, ultra-precision optics, and digital video disc mold. Its products include dimensional precise measuring instruments, jig grinder and machining center, vertical grinding machine, and hydrostatic rotating disc. The company was founded on April 16, 1981 and is headquartered in Kaohsiung City, Taiwan.