During the production, transportation and storage of liquor, seals in pipes, tanks, bottles and other equipment will be in long-term contact with liquor. As we all know, liquor has a certain acidity (Maotai-flavor liquor has the characteristics of high acidity and high ester) ) and alcohol is an organic solvent, which places high requirements on the chemical stability of seals that are exposed to long-term contact or even immersed in wine, such as leachate, migration, and other indicators. Currently, there is no specific solution for the alcohol industry on the market. Designed and produced silicone seals. In order to promote the technical progress of silicone seals for wine, improve the sealing quality of wine equipment and ensure food safety, Luzhou Nair Seals Manufacturing Co., Ltd. is based on the "Luzhou Liquor Industry Association Group Standard Management Measures" This document is proposed and formulated as required by the charter and related policies.