Announcement in 2018

Special report on the deposit and actual use of raised funds

Announcement on resolutions of the 5th meeting of the 3rd board of supervisors

Announcement of resolutions of the 6th meeting of the 3rd board of supervisors

Announcement of resolutions of the second extraordinary general meeting of shareholders in 2018

Notice of the second extraordinary general meeting of shareholders in 2018

Announcement on change of use of raised funds

Announcement on the resolution of the fourth meeting of the third board of supervisors

Announcement on resolutions of the 5th meeting of the 3rd board of directors

Legal opinion on 2017 annual general meeting of shareholders

Announcement of resolution of 2017 annual general meeting of shareholders

Resolution of the 4th board of directors

Announcement on the resolution of the 4th meeting of the 3rd board of directors (cancelled)

Special verification report on the storage and use of raised funds of Shanghai Tiangu Biotechnology Co., Ltd

Notice of 2017 annual general meeting of shareholders

Announcement on related party transactions concerning the adjustment and purchase of wdr61 related rights and interests

Announcement on transfer of wdr61 related rights and interests

Special report on the deposit and actual use of raised funds

Announcement on 2017 annual profit distribution plan

Announcement on the resolution of the third meeting of the third board of supervisors

Announcement of resolutions of the first extraordinary general meeting of shareholders in 2018

Notice of the first extraordinary general meeting of shareholders in 2018

Announcement on confirmation and authorization to purchase bank financial products with self owned funds