
ETGI is proud to offer CNC machining solutions from Four Star (Y.J. Precision Technology Co., Ltd.), a Taiwan-based manufacturer specializing in high-performance CNC Double Column Machining Centers. Backed by a team of passionate engineers and technical experts, Four Star is driven by a spirit of excellence, innovation, and precision.
With a product lineup that includes Fixed and Sliding Double Column Machining Centers, 5-axis models, and Horizontal Milling & Boring Machining Centers, Four Star delivers high-quality, high-reliability machines built to meet rigorous international standards like JISB6338, VDI/DGQ3441, and ISO-8636. Certified under ISO 9001 and ISO 14001, their commitment to position and repeatability accuracy ensures exceptional results across a wide range of industrial applications.
Four Star CNC machines are an ideal choice for manufacturers seeking robust, large-format machining solutions with designed to meet various industrial applications:

Four-axes travel of T-bed Type Machining Center (Ram Moving)
X-axis travel (table moving): 3200 mm
Y-axis travel (saddle up-down): 2000 mm
Z-axis travel (column moving): 1600 mm
W-axis travel (ram extend): 700 mm

Four-axes travel of T-bed Type Machining Center (boring bar)
X-axis travel(table moving): 3200 mm
Y-axis travel(saddle up-down): 2000 mm
Z-axis travel(column moving): 1600 mm
W-axis travel(boring bar extend): 700 mm

Three axes travel of High Rigid Precision Double Columns Machining Center


Three axes travel of Medium Travelling Double Columns Machining Center

Four-axes travel of W-type Sliding Double Columns Machining Center


Three axes travel of Sliding Double Columns Machining Center


Three axes travel of Fixed Double Columns Machining Center


Four axes travel of Moving Cross-rail Double Column Machining Center


Three axes travel of High Accuracy, High Speed CNC Double Columns Machining Center
X-Travel: 1600 ~ 2200 mm
Y-Travel: 1300 ~ 1600 mm
Z-Travel: 800 mm