HARBIN, China, April 22 /PRNewswire-Asia-FirstCall/ -- Renhuang Pharmaceuticals, Inc. (Pink Sheets:RHGP.pk - News) (“Renhuang” or the “Company”), a developer, manufacturer and distributor of botanical products, bio-pharmaceuticals and traditional Chinese medicines (“TCM”), today announced that the Company has significantly reduced its Days Sales Outstanding (“DSO”), resulting in improved cash flow from operations and healthier working capital.