About Sizen Limited

Sizen Limited, formerly known as Changsha Advanced Engineering Materials Limited, has been serving customers in the advanced metals industry for many years. Under the AEM Metal® brand, we specialize in the manufacturing and supply of high-purity metals, including refractory metals and other advanced materials. Our product range covers tungsten, molybdenum, tantalum, niobium, titanium, hafnium, zirconium, rhenium, and related alloys. With strong manufacturing capabilities in powder processing, melting, forming, machining, and precision fabrication, we provide metal products in various forms, including powders, plates, sheets, rods, tubes, wires, foils, crucibles, boats, electrodes, and sputtering targets. We support research institutes, coating companies, semiconductor manufacturers, and industrial customers with reliable material supply, consistent quality, and customized solutions.

Competitive Pricing

Sizen Limited provides high-quality refractory materials with competitive pricing. Through efficient production management, optimized supply chain coordination, and continuous process improvement, we control costs while maintaining stable product quality. Our goal is to provide customers with reliable materials, reasonable prices, and long-term value.

Comprehensive Solutions

With extensive experience in high-purity materials, Sizen Limited helps customers select suitable materials, customize specifications, and solve technical challenges. Our technical team provides material recommendations, testing support, and professional guidance to meet different application requirements.

Our Commitment

At AEM Metal®, we are committed to providing high-quality metal materials with reliable supply, consistent quality, and professional service.
Our products are widely used in industries such as aerospace, semiconductor, thin film deposition, vacuum technology, medical devices, chemical processing, mining, and research applications.
Whether customers need standard products or customized metal solutions, Sizen Limited works closely with them to provide suitable materials, flexible production options, and dependable support for their applications.
We continue to improve our manufacturing capabilities and quality control systems to build long-term partnerships with customers worldwide.
 Contact our team today to discuss your metal material requirements and customized solutions.