Chien Wei Precise Technology. 

Chien Wei Precise Technology Co., Ltd. focuses on manufacturing and distributing advanced two-dimensional and three-dimensional precision measuring instruments. In addition to this core offering, the company's comprehensive product lineup encompasses high-precision JIG grinders, machining centers, and vertical grinding machines. They also provide specialized accessories for the integrated circuit and semiconductor industry, products for trimming and forming, ultra-precision optical components, and molds for DVD production. Notably, their operations also extend to the manufacturing of medical masks. Established in 1981, the firm's primary corporate base is located in Kaohsiung, Taiwan.