Company Profile
YONG JU (Y.J.) PRECISION TECHNOLOGY CO., LTD., is located at Changhua County, Taiwan that established by several technicians and experts who deeply love research, development and challenge in this field.
We specialize in CNC Double Column Machining Center.
Spirit of our brand -- FOUR-STAR: excellent, confident, intellect, service on enterprise spirit.
Premium Products
Quality Policy
FOUR-STAR products are qualified by high quality, superior performance, high productive capacity and high reliability. We continuously pursue ISO 9001 & ISO14001 excellent quality guaranteed as our goal, would become the highest quality CNC machine manufacturer.
We master two elements of the best machine tools: "position accuracy" and "repeatability accuracy", so completely conform to JISB6338, VDI/DGQ3441 and ISO-8636 standard specification.
Quality system: ISO9001 & ISO 14001 Standard Specification JISB6338, VDI/DGQ3441, ISO-8636