Recognition. Stephanie founded Yanzi Biological Co., Ltd. on 20 17, mainly engaged in slimming products, and the fiber-funded Yanguo ointment was produced by the company. According to the national enterprise information publicity system, the product has been recognized by the state and belongs to the project that needs approval according to law. After eating, the fiber-aided swallow puree can make people have loose bowels and lose weight, which is very popular among dieters.