Sizen Limited (formerly Changsha Advanced Engineering Materials Limited) is a professional manufacturer specializing in the research, development, manufacturing, and supply of refractory metals and advanced materials.
Under the AEM Metal® brand, we provide high-quality refractory materials for research institutes, manufacturers, and advanced technology companies worldwide. Our product range includes tungsten, molybdenum, tantalum, niobium, titanium, hafnium, zirconium, rhenium, and related alloys in various forms, including powders, plates, sheets, bars, rods, tubes, wires, and foils.
Sizen Limited has years of experience in refractory materials manufacturing. We help customers reduce costs, shorten lead times, and achieve reliable product quality through professional production capabilities and stable supply.
