EGCM.EGCM was established in November 2013 and is currently a high-tech company in China specializing in the R&D, production, and sales of sapphire crystal materials, offering dual advantages in both cost and technology. The company's primary product is sapphire crystal material, which is widely used in semiconductors, optoelectronics, aerospace, and optical window applications. As sapphire crystal growth technology continues to mature and costs steadily decrease, its applications are expanding. Key products include crystal rods, LED substrates, and optical materials.