Headquartered in Taizhou's Sanmen county, Zhejiang East Asia Pharmaceutical Co Ltd  is  mainly engaged in the R&D, production and sales of active pharmaceutical ingredients (APIs) and intermediates, among other drugs. 

The company has seen steady growth in its revenue and net profits in recent years.

Its revenue rose from 857 million yuan ($131.85 million) in 2018 to 988 million yuan in 2019, while net profits grew from 109 million yuan to 168 million yuan. 

In the first three quarters of 2020, its business income stood at 677 million yuan, while net profits amounted to 108 million yuan.