Since Alibaba implemented the "field certification of enterprises", Litai has passed the certification for two consecutive years. The staff of China Post took photos to collect evidence, and the third party certification company of Beijing Huihua reviewed it. Litai is a large factory with a production plant of 20000 square meters, and has been operating for 15 years, specializing in the production of "anaerobic adhesive, sealant, liquid raw material belt".