1. First of all, from the 5G segmentation plate bright 23 shares segmentation leader 10 small and medium-sized board, 7 GEM, 6 motherboard, communication network equipment: ZTE, market value of 169.4 billion yuan, the global mobile communications equipment suppliers, the domestic second only to Huawei's leading communications equipment company; Fiberhome Communications, market value of 29.6 billion yuan, 5G leading optical communications company, 5G the most certain ultra-broadband equipment billion yuan, PCB frequency leader, Huawei ZTE PCB core supplier; Hudian shares, market value of 34.4 billion yuan, PCB leader, the largest and strongest domestic PCB technology and scale; SangYi technology, market value of 69.1 billion yuan, 5G RF materials leader, domestic copper cladding board leader.
2. Fiber optic cable: Changfei optical fiber, 19.5 billion yuan, the world's only simultaneous mastery of the three mainstream pre-fabricated rods process and the scale of mass production of the leader; Hengtong Optoelectronics, the market value of 33 billion yuan, the optical communications industry chain is the most complete main supplier of the domestic fiber optic cable leader; in the days of science and technology, the market value of 36 billion yuan, the leading company of the domestic fiber optic rods, special fiber optic cables, more than 30% of the domestic market share.
3.5G antenna and base station radio frequency: Dongshan Precision, market value of 45.4 billion yuan, leading filter stocks, one of the world's largest base station antenna precision sheet metal parts provider; Fei Rongda, market value of 10 billion yuan, 5G antenna leading stocks, industry-leading electromagnetic shielding and thermal conductivity products; Wuhan Fangu, market value of 9.9 billion yuan, leading base station radio frequency enterprises; Tongyu communication, market value of 5.8 billion yuan. One of the leading base station antenna companies; Optical module: intermediate Xutron, market value 40 billion yuan, 5G high-speed optical film block leading company, the only domestic mass production and supply 100G data center optical module manufacturers; Optical Xunxun science and technology, market value of 21 billion yuan, one of the core suppliers of global optoelectronic devices; New Easysun, market value of 19.7 billion yuan, medium and high-speed optical module leader, a wide range of products.