Union Metals has been refining precious metals for over 90 years and for 32 years within Puerto Rico and the Caribbean.Union Metals head office and refinery is located in Boston, Massachusetts and collection facility in San Juan, Puerto Rico. As the demand for our services have increased over the years from jewelry to other business sectors we have continued to develop our reputation for integrity and stability whilst providing the utmost professional and personal service. Our goal is to maximize the returns of your businesses recycling processes. Our recycling divisions cover precious metals, Industrial, dental material, medical components, pharmaceutical, lighting, sensors and jewelry.