Yong Ju Precision Technology Co., Ltd. was established by a team of specialists with extensive experience in machine tool research, engineering, and manufacturing. The company focuses on CNC double-column machining centers and large boring and milling equipment, guided by the FOUR-STAR values of excellence, confidence, intelligence, and service.
Its product range includes FD fixed double-column machining centers, SD and SDW sliding double-column machines, HRP high-speed precision machining centers, five-face and five-axis gantry machines, and T-bed boring and milling centers. These machines support long-axis travel, wide column spacing, large workpieces, and complex multi-surface machining.
The company emphasizes positioning accuracy, repeatability, machining productivity, and operational reliability. Its equipment is engineered and verified according to recognized JIS, VDI/DGQ, and ISO accuracy standards. Through customized machine configurations, spindle-head options, and large-scale system integration, FOUR-STAR helps customers improve machining accuracy, production efficiency, and process stability.

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