Welcome to our factory, where we specialize in producing high-quality custom aluminum extrusions, including 4-inch aluminum tubing. Our products are made from the finest materials using advanced manufacturing processes, ensuring they are strong, durable, and able to withstand even the harshest conditions. Our aluminum tubing is perfect for a wide range of applications, including construction, transportation, and manufacturing. With a great selection of sizes and shapes to choose from, we are confident that you will find the perfect product to meet your needs. So why wait? Contact us today and let us help you get started on your next project!