On October 20-21, 2015, Dr. Nianhe Han, CSO of NewBio Therapeutics, and Dr. Deqiang An, Director of Chemistry, attended the 6th World ADC Summit held in San Diego, USA. In the poster session, they showed the innovative site-specific conjugation linker technology and the results of one project based on the new linker, which left a deep impression to the audience from both domestic and international biopharmaceutical companies. Preliminary collaboration agreements between NewBio Therapeutics and other companies were signed based on our technology.