2. Medical devices: Novartis (688 105), Botuo Bio (688767), Gaowei Orthopedics (688 16 1), Haier Bio (688 139).

3. Internet service: Kaipuyun (688228)

4. Pesticides and veterinary drugs: Qianke Biology (688526) and Shen Lian Biology (688098).

5. Power grid equipment: Jinpan Technology (688676)

6. Electronic and Chemical Industry: Jinhong Gas (688 106)

7. Beauty Care: Huaxi Bio (688363)

8. Biological products: Yao Kang Bio (688046) and Tebao Bio (688278).

9. Batteries: Peneng Technology (688063), Zhuhai Guanyu (688772), Hangke Technology (688006) and Tianneng (688 19).

10. Chemical pharmacy: nanotechnology (688690)

1 1. General equipment: Zhi Ming Science and Technology (688355)

12. Instruments: Haupt (688686), He Xin Instrument (688622) and Puyuan Jingdian -U(688337).

13. Nonferrous metals: western superconductors (688 122)

14. Aerospace: China UAV (688297)

15. Semiconductors: Chen Jing (688099), SMIC (68898 1), Gekewei (688728), Zhongwei Company (6880 12), Saiwei Electronics (688325) and Ruichuang Micro.

16. Software development: Fortune Trend (6883 18), Jinshan Office (68811), and Zhongkong Technology (688777).

17. Photovoltaic equipment: Trina Solar (688599) and Jingke Energy (688223).

18. Chemical industry: Nai Tian Science and Technology (688 1 16), Kaisai Bio (688065).

19. Electronic components: Xiamen Tungsten Xinneng (688778), Ruikeda (688800) and Shihua Technology (688093).

20. Consumer Electronics: Wang Fuli (688678)

The above is the information of concept stocks of science and technology innovation board.