TCB International is an ore processing facility that extracts the following precious metals: gold, silver, and platinum group metals. Unlike many of our competitors, our chemical process allows us to process black sands, sulfide ores, and the platinum group metals in addition to gold and silver. Our one ton an hour plant operates out of a 9000 sq. foot facility in the Phoenix, Arizona area. Our state of the art facility contains a fully equipped lab and a " mini-plant" that allows us to do 50 lb small batches of high grade material or testing on difficult ores before we go into production. Our experience staff has over forty years of experience in the chemical leaching of precious metals and over thirty years of experience in the milling and gravity concentration industry. Our process involves using a thiourea based solution to extract the precious metals. Our process allows us to take your concentrates from ore to dore bars.