With its steady development pace, Zhejiang Youwei New Materials Co., Ltd. has become one of the leading enterprises in the field of trenchless repair of water supply and drainage pipes. The company takes high-quality products, excellent service and continuous innovation as the core competitiveness, and constantly accepts challenges in the development process of the company. In May of the same year, Zhejiang Youwei New Materials Co., Ltd. completed a major breakthrough, and a single section of large pipe diameter DN1200 ultra-long 249 meters UVLINER? was successfully applied to the drainage pipe repair project in Qingdao, Shandong Province. Setting a record for the first domestic UV-curing large-diameter ultra-long distance construction!