Wanjin is located in the Zhutian Township, Pingtung. Liudui Region is a home to many manufacturers which produce the soy sauce. This is because the sunny days, fresh air, and clean wells in the Southern Taiwan.Master craftsmen make use of the Hakka soy sauce culture. Each drop of soy sauce is originated from the crystallization of wisdom of the Hakka ancestors. It is worth tasting this soy sauce.