1) Ke Hua Bio: 20 years, 1, Tianlong Company, which is controlled by the company, supplies its R&D and coronavirus detection kits to CDC in many places across the country; On March 17, 2020, the company obtained the free sales certificate of novel coronavirus testing related products in the EU market.

2) Toyo: In February of 20 years, the company has developed the detection reagents (including IgG and IgM) of novel coronavirus (20 19-nCoV), and is conducting clinical evaluation.

3) Huace Testing: The verification result of novel coronavirus (20 19-nCov) nucleic acid testing ability was officially released by Shanghai Clinical Laboratory Quality Control Center, and Huace Aipu Medical Laboratory, a wholly-owned subsidiary of the company, successfully passed the 100% compliance score, becoming one of the first third-party medical laboratories in Shanghai to obtain the COVID-19 nucleic acid testing ability certification.

4) Huachangda: The company owns the preparation and raw materials of ribavirin, and National Health Commission released the diagnosis and treatment plan for novel coronavirus infected pneumonia (the fifth edition is tried out, and "ribavirin" may be added). 5) Bohui Innovation: The company's subsidiaries are listed as key materials production and supporting enterprises for prevention and control in novel coronavirus, Guangdong.

1. Concept stocks are relative to blue-chip stocks. Blue-chip stocks need good performance support. Concept stocks rely on a certain theme, such as the concept of asset reorganization and the concept of three links to support prices. Chinese concept stocks are the names of all China stocks listed overseas by foreign investors, because they are optimistic about China's economic growth. It has also been said that Chinese concept stocks "are all fabricated lies, just to make people believe their lies". Concept stocks are relative to blue chips. Blue-chip stocks need good performance support. Concept stocks rely on a certain theme, such as the concept of asset reorganization and the concept of three links to support prices.

2. Chinese concept stocks refer to all China stocks listed overseas by foreign investors because they are optimistic about China's economic growth. It has also been said that Chinese concept stocks "are all fabricated lies, just to make people believe their lies". Concept stocks are relative to blue chips. Blue-chip stocks need good performance support. Concept stocks rely on a certain theme, such as the concept of asset reorganization and the concept of three links to support prices.