Anion resin for anionic metal complexes.Suzhou X Chemical has a range of products tailored for recovery of precious metals from electroplating solutions, leaching solutions and seawater. Ion exchange resins are commonly used to remove trace levels and to concentrate precious metals such as Uranium, Gold, Molybdenum, Rhenium, Nickel, Copper and other valuable metals. The metals are then recovered by various specialty regeneration techniques or by incinerating the resin.