wholesale Urine Bag With Non Return Valve Our History Taizhou Sanxin Medical Technology Co., Ltd. is specialized drain bag,urine bag and festival lights manufacturer from the year 2011 to now. Owing a manufacturing area of 20000 square meters, the production ability is 3 million pieces per month. Our annual sales turnover is 10 million US dollars. We have exported to USA,Germany, Russia, Italy,...