Yes. According to the query brand website, Shanxi Liangjiang mature vinegar is a registered trademark of Qixian Liangjiang Trading Co., Ltd. The longer the mature vinegar is stored, the more fragrant, sour and delicious it will be, and it will not become moldy in the summer or freeze in the winter. , deep orange in color, is a unique and high-quality Shanxi vinegar, and is a well-known brand.