Write a research paper about two require companies(as the comparable companies part in the Example paper).

Company Research

Write a research paper about two require companies(as the comparable companies part in the Example paper).

The format should be like the example paper(including Brief Introduction, Main product, Technologies & patent, Market share, and research on their manufacture & distribution costs).  Use the English

First company: Shanghai RAAS Blood Products Co., Ltd. (stock code: 002252.SZ)

Second company: Beijing Tiantan Biological Products Co., Ltd.(600161.SS)