Group 1 - The core viewpoint of the article highlights that Beilong Precision (301567.SZ) provides various structural components widely used in smartphones, applicable to both Android and iOS systems [1] - The company supplies products such as lens tubes, isolation rings, pressure rings, lens seats, bases, carriers, shielding covers, and VCM motors to leading enterprises in the industry, including Sunny Optical, Amphenol, Samsung Electro-Mechanics, and TDK Group [1]