Chongqing Ruichengda obtained a patent of packaging industry paper pearl cotton door packaging, which can effectively prevent water from entering the interior of the pearl cotton body to maintain dryness

The financial industry on January 31, 2025, the National Intellectual Property Office information shows that Chongqing Ruichengda Packaging Product Patent, authorized announcement number CN 222409343 U, the application date is May 2024.

Patent abstract shows that the new model of the new type has disclosed a type of printing industry paper pearl cotton door packaging, which is the field of packaging technology. By setting up multiple waterproof membranes inside the pearl cotton body, it is up and down of the waterproof membrane. Side filling waterproof fillers enable it to effectively prevent water from entering the interior of the pearl cotton body to maintain the dryness inside the pearl cotton body. Therefore, the quality and performance of printing industry paper doors protect.

Tianyan Check information shows that Chongqing Ruichengda Packaging Products Co., Ltd., founded in 2023, is located in Chongqing City. It is a company that is mainly engaged in papermaking and paper products. The company\’s registered capital is 5 million yuan. Through the analysis of big data of Tianyan, 3 patent information of Chongqing Ruichengda Packaging Products Co., Ltd.

This article comes from the financial industry