Did tests for drug abuse screen strips and assisted the manufacturing team to keep improving the quality of products.

Created and updated the SOPs to optimize workflow towards efficient and productive work in which efficiency is raised by 30%.

Trained new employees to work closely following related SOPs.

Cultivated suspension CHO cell through bioreactor with the maximum scale of 2000L.

Participated in the verification of equipment including bioreactors, autoclave cabinet, SIP(sterilizing in place) system, CIP(clean-in-place) system.

Collaborated with the R&D department to successfully implement pilot experiments.

Trained new employees to work closely following relevant SOPs.

Cultivated adherent mammalian cell lines such as IBRS, ST, Vero.

Performed quality control tests on relevant products including virus titer test, exogenous virus test, antibody level test, vaccine safety test, etc.

Participated in research projects to improve the yield of a semi-product by 10%.