Where is the origin of Donggu Yipin fresh soy sauce?

Maishui Industrial Zone, Gulao Town, Heshan City, Guangdong Province. The brand website shows that Donggu Yipin Fresh Soy Sauce is located in Maishui Industrial Zone, Gulao Town, Heshan City, Guangdong Province. Founded in the 30th year of Qing Daoguang (A.D. 1850), the original Diaozhen Soy Sauce Garden is the first batch of "China Time-honored Brand" enterprises of the Ministry of Commerce. It was originally located in Gulao Market, Gulao Town, Heshan County, and was a famous folk pickles workshop at that time.