We’re a team of problem solvers powered by family values on a mission to make the aluminum industry work for everyone. We buy, sell, trade, and process metals and alloys across more than twenty-eight countries.
Metal Exchange is the flagship of a global family of companies focused on aluminum and other nonferrous metals. Founded in 1974, we are privately held, headquartered in St. Louis, MO, and have offices throughout the U.S. and international offices in both Shanghai and Zurich.



We offer a full spectrum of Aluminum products, including high-quality primary metals, value-added materials, and sustainably sourced recycled metals. Our extensive industry experience ensures that we meet the diverse needs of our global customers with precision, reliability, and a commitment to sustainability.
Our capabilities include buying, selling, processing, distribution, risk management and logistics. We are involved across the lifecycle of non-ferrous metals, allowing us to serve diverse markets across the globe.
Drawing on the theories of Piaget and Vygotsky, this section is often the most heavily annotated by readers. It explores how information processing changes over time. The 2nd Edition likely addresses the concept of "Metacognition"—teaching students how to think about their thinking. It provides strategies for scaffolding instruction, helping students move from what they can do (actual development) to what they can do with help (potential development).
The text details how physical changes impact learning. For younger children, this involves fine and gross motor skills development—crucial for handwriting and physical activity. For adolescents, the onset of puberty brings a host of challenges. The book guides teachers on how to navigate the awkwardness of physical changes, the need for sleep, and the impact of nutrition on attention spans. Drawing on the theories of Piaget and Vygotsky,
Real-world classroom scenarios and case studies link theory to authentic situations, helping teachers visualize how to create environments that promote optimal development. For adolescents, the onset of puberty brings a
Searching for the is step one. Step two is realizing that the PDF only works if you open it. The 2nd Edition is not a book you read once and shelve; it is a desk reference you dog-ear (or bookmark) for every tough week of the school year. of one of the chapters
Offers integrated guidance on multicultural issues, supporting LGBTQI students, and understanding the impact of poverty and income inequality. Real-World Application:
Stop using generic "behavior charts." Instead, use the "Microsystem" (home/friends/school) checklist provided in Chapter 5. When a student acts out, the Bergin method asks: Is the issue in the child, or in the interaction between their Microsystems?
of one of the chapters, such as the sections on social-emotional development or cognitive growth? Child and Adolescent Development in Your Classroom
At Metal Exchange, we understand that every project has its own unique requirements. Our services are designed to provide customized metal solutions that meet our partners needs. With our experienced team and advanced expertise, we deliver the perfect fit for even the most difficult challenges.
In partnership with the leading industry organizations, we play an active role in the continued advancement of the aluminum industry.
Need help? Drop us a message, and our dedicated team will be here to assist.
