Uncategorized United Solar Holding Inc. Announces Groundbreaking Polysilicon Project in SOHAR Port … PRNewswire/ — United Solar Holding Inc. announces the laying of the foundation stone for its polysilicon factory in SOHAR Port and Freezone … Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related UAE and Angolan Presidents discuss enhancing bilateral cooperation Congratulations to our valued clients on reaching these significant business milestones!