NEWS INFORMATION

22-08

Chengda Bio: Clinical Trial of Live Attenuated Varicella Vaccine Approved

22-07

New Base, New Starting Point, New Journey-Foundation Laying Ceremony of Chengda Biological "Biotechnology Product R & D and Production Base Project"

22-06

Highlights of Si Qingri's Activities: After 20 years of youth, set sail again

22-06

The 20th Anniversary of Liaoning Chengda Biological Co., Ltd.

22-06

Si Qing Activity 5: "20th Anniversary Si Qing Cup" Basketball Friendly Match

22-06

Si Qing Activity 4: Chess and Rival Competition Youth Fun Sports Create Future

22-06

Si Qing activity three: "the story of time" old photo collection activities

22-06

Si Qing activity 2: full action, colorful forms to present Si Qing

22-06

Si Qing Activity 1: Collection of Works and Special Works for the 20th Anniversary of the Company's Essay and Photography Contest

22-03

Quadrivalent meningitis receives notice of acceptance of clinical application

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