Balzans Jewelry Manufacturing 760 Market St San Francisco, CA 94102 Phone : (925) 838-9996 Business Category Jewelry Precious Metal Jewelry Learning Center 760 Market St San Francisco, CA 94102 Phone : (925) 838-9996 Business Category Jewelry Precious Metal Pt Star 3162 Danville Blvd # C1 Alamo, CA 94507 Phone : (925) 838-9996 Business Category Jewelers-Retail