Dec 5 (Reuters) - Stemcell United Ltd SCU.AX :
* STEMCELL UNITED LTD - CO WILL EXERCISE ITS RIGHT TO INVEST RMB3.8 MILLION FOR A 51% INTEREST IN HFIH
* STEMCELL UNITED-SECURES ASX CONFIRMATION THAT ACQUIRING 51% OF YUNNAN HUA FANG INDUSTRIAL HEMP LTD IS NOT A CHANGE OF NATURE OF CO'S ACTIVITIES