BRIEF-Yongan Pharma's Wuhan unit investigated by Tianjin authorities on a health product

June 30 (Reuters) - Qianjiang Yongan Pharmaceutical Co Ltd * Says unit Yongan Health Pharmaceutical (Wuhan) Co Ltd being investigated by Tianjin authorities on a health product Source text in Chinese: http://bit.ly/29rsZqY Further company coverage: (Reporting By Hong Kong newsroom)