Haitian Soy Sauce is part of the Haitian Group, so the headquarters is located in Ningbo, Zhejiang Province. Production base: Cangjiang Industrial Park, Gaoming District, Foshan City, Guangdong Province Foshan is located near the Tropic of Cancer, with long hours of direct sunlight, and has developed into a base for the production of naturally brewed sun-dried soy sauce since ancient times.