Light soy sauce. Light soy sauce is made from soybeans, defatted soybeans, black beans, wheat or flour as the main raw materials, artificially added with seed koji, naturally exposed to the sun, and fermented. The color is relatively light and reddish brown; dark soy sauce is based on light soy sauce. Caramel is added on top, and the thick-colored soy sauce made through a special process is suitable for adding color to meat. Liuyuexian Special Soy Sauce is a soy sauce brand owned by Xinhe Company. Liuyuexian Special Soy Sauce is light soy sauce, with a lighter color and fresher taste. It is mainly used for seasoning and freshness.