The township of Hsiluo, by the Chuo- shui River in Yunlin County, has long been home to unique soy sauces, a result of the area's fertile soils, long hours of sunshine, and pristine water quality.
濁水溪畔的雲林西螺，因平原肥沃、日照時間長、水質甜美，造就西螺醬油歷久不衰的好味道。