生物制品板块竞价活跃，西藏药业一字涨停

Group 1 - The biopharmaceutical sector is experiencing active bidding, with notable stock performance including Tibet Pharmaceutical hitting the daily limit up, and Kangchen Pharmaceutical, Maiwei Biotech, and others opening higher [1] - Specific stock movements include Kangchen Pharmaceutical opening up by 5% and Maiwei Biotech also opening up by 4%, indicating positive market sentiment [1] - Other companies in the sector such as Rongchang Biotech, Hualan Vaccine, and Hualan Biotech also opened higher, reflecting a broader trend of optimism in the biopharmaceutical industry [1]