News/Reuters/Oriental Yuhong Waterproof Technology's Q1 Net Profit Down 9.8% Y…Oriental Yuhong Waterproof Technology's Q1 Net Profit Down 9.8% Y/YApr 23, 202410:55 UTC002271Beijing Oriental Yuhong Waterproof Technology Co Ltd 002271:SAYS Q1 NET PROFIT DOWN 9.8% Y/Y