Feb 4 (Reuters) - Rarex Ltd REE.AX :
* EXECUTES MOU WITH RARE EARTHS PRODUCER SHENGHE RESOURCES
* ENTERED NON-BINDING MOU WITH SHENGHE RESOURCES HOLDINGS CO
* UNDER MOU, SHENGHE AND CO TO FORM JOINTLY OWNED RARE EARTHS TRADING CO TO SOURCE RARE EARTHS CONCENTRATES GLOBALLY (EXCLUDING FROM CHINA)
* RARE EARTHS TRADING COMPANY TO SOURCE RARE EARTHS CONCENTRATES FOR PROCESSING AT SHENGHE'S EXISTING AND PROPOSED REFINING ASSETS