Guangzhou Yourun company is a national recognized high-tech enterprise. For many years, it has focused on the R&D and production of polyurethane catalysts and additives, and is devoted to solve various pain points in the polyurethane industry. With the unremitting efforts of the company's R & D engineers, the company won the newly approved invention patent certificate in 2022. The invention patent number ZL202110575063.X
