1, Ronglian Technology 002642:
In terms of return on net assets, from 20 17 to 2020, it will be -5.35%, -38.99%, 1.27% and -53.79% respectively. On March 24, 2020, the company said on the interactive platform that the business of 5G chip design and baseband chip design is the layout of the company's connection part for 5G and the Internet of Things, and the business is currently in the incubation and exploration stage.
2. Jin Xinnuo 300252:
In terms of return on net assets, from 20 17 to 2020, it will be 5.8 1%, 5.66%, 2.96% and -2.8% respectively. On July 9, 2009, at 65438, the company said on the interactive platform that the 5G chip developed by the company was mainly used for high-frequency base stations. At present, the 5G high-frequency base station is still in the research and development stage, so the company's 5G chips are currently in the small batch supply stage.
3. Dongfang Tong 300379:
In terms of return on net assets, from 20 17 to 2020, it will be-18.88%, 8. 1%, 9.37%, 13.0 1% respectively.
4. Weber alloy 60 1 137:
In terms of return on net assets, from 20 17 to 2020, it will be 10.44%, 10.75%,1.8% and 10.07% respectively. On February 25, 2020, the company said on the interactive platform that the high-strength and high-conductivity materials produced by the company are necessary materials to achieve low delay and low power consumption in 5G construction, and the above materials are needed for base station construction and later application terminals. With the advancement of the construction of 5G base stations, sensors and chip devices are more and more used in application terminals, which will definitely have positive support for the company's performance.
5. Fang Jing Science and Technology 603005:
In terms of return on net assets, from 20 17 to 2020, it will be 5.56%, 3.89%, 5.6 1% and 17.62% respectively. 2065438+On May 29th, 2009, the company replied on the interactive platform that Fang Jing Science and Technology is a participating enterprise of 5G RF packaging standard in China, focusing on the integration requirements of RF chips in mobile devices, such as filters and PA.
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Other concepts of RF chips include:
Will, Shuobeide, Huaxing Yuanchuang, Fang Jing Science and Technology, Sanan Optoelectronics, Haite High-tech, Ding Hui Science and Technology, Zhonghaida, Li Angwei, Yaguang Technology, Zhenxin Technology, He Zhongshuang, Heltai, Yin Tian Electromechanical, National Technology, Rotating Pole Information, Fenghua Hi-Tech, etc.