HONG KONG—U.S. private equity firm Blackstone Group LP has signed a deal to invest $400 million in Hong Kong-listed YiChang HEC Changjiang Pharmaceutical Co. via convertible bonds, HEC said Aug. 15.
The H share convertible bonds will bear an interest rate of 3 percent per annum if issued, at an initial conversion price of HK$38 per share, HEC Pharma said in a stock filing late on Aug. 14.





