Located in Yunlin, south of Taiwan, Chen Yuan Ho's history traced back to 1888, spanning across over 130 years and is one of the oldest soy sauce producers in Taiwan. Its successive generations of operators not only inherit the traditional brewing techniques and continue to uphold the principles of selecting premium ingredients for brewing without adding any artificial flavour enhancers or chemical additives. They adhere to the quality of pure-brewed soy sauce, and uphold various sustainable business practices. The producer strictly require all the black soy bean suppliers to provide a pesticide-free certificate to ensure the quality of the black soy beans.