HANQUYOU (trastuzumab, Zercepac® in Europe,Trade names in Australia: Tuzucip® and Trastucip®) was successfully launched in China and Europe, becoming the first Chinese mAb biosimilar entering both the EU and China market. It is indicated for the treatment of HER2 positive early breast cancer, metastatic breast cancer and metastatic gastric cancer, which corresponds to all the approved indications of the trastuzumab originator. HANQUYOU is certificated by China and the EU GMP. It brings more treatment options to patients with HER2 positive breast and gastric cancer worldwide.