Different types of raw materials are characterized by various performance, and their common goal is to make the finished products - led display be of superior quality no matter in use or in long-time storage. Being the primary components of products, the raw materials are generally extracted from natural or chemically created substances. They are then refined and used to make products for customers. Some famous brands put a large amount of investment in improving technologies for making full use of raw materials to magnify their advantages and reduce waste as well.