Polyprone Zinc Granules are a chelated form of zinc combined with L-carnosine, first launched in Japan in 1994 under the brand name Promac. Jilin Province Boda Weiye Pharmaceutical Co., Ltd. was the first to develop a generic version, successfully gaining market approval in 2012. According to relevant research data from its 25 years on the international market, Polyprone Zinc has been widely recognized by nearly 10 million patients suffering from mucosal injury-related conditions. Meanwhile, numerous research institutions overseas have conducted nearly 100 clinical trials to further validate its efficacy and safety.