SIGMA CNC Technology Machinery Co., Ltd. was established in November 2000 by Mr. Humor Chuang together with a core team sharing related business and manufacturing experience. Built around the principles of specialization, innovation, and implementation, SIGMA CNC has developed as a technology-driven machine tool manufacturer. Although still a relatively young company, it has brought together engineers with 10 to 20 years of experience across different technical fields, supporting continuous R&D and advanced machine development. The company operates facilities in Taichung and Chiayi, with a combined plant area of approximately 22,000 square meters, and continues to strengthen efficiency, quality stability, and service through scientific management.
Today, SIGMA CNC’s product range covers CNC fixed-column gantry machining centers, CNC fixed-column gantry machining centers with automatic head-changing systems, CNC five-face gantry machining centers, CNC five-axis gantry machining centers, CNC fixed-column moving-crossrail gantry machining centers, CNC moving-column horizontal machining centers, and customized CNC high-precision sub-micron grinding machines. With a technology-oriented and service-oriented approach, SIGMA CNC provides key technology equipment and total solutions for large-scale and high-precision industries, including aerospace, energy, transportation, and linear guideway grinding applications.

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