超级碰碰视频手机免费观看_欧美亚洲国产成人综合_制服丝袜亚洲中文欧美在线_2021午夜福利理论片

R & D/ expertise

1. The team has chemical engineers who have worked in the Institute of Chemistry

    and pharmaceutical enterprises for many years.

2. Rich experience in heterocyclic synthesis, boric acid and process development.

3. The management team has more than 40 patents and 80 publications.