Zhuzhou, China-based PepLib, founded in 2017, develops peptide drugs and sells research tools such as the PV2 DNA Polymerase.
Based in Zhuzhou, China, Zonsen PepLib Biotech Inc., trading as PepLib, was established in 2017 and develops peptide drugs. Its products include the PV2 DNA Polymerase, the 1402 Quick Cloning Kit and a peptide therapeutics pipeline, sold mainly to pharmaceutical companies and research institutions in North America and Europe. In May 2026 it raised over CNY 300 million in Series C funding co-led by Lilly Asia Ventures and CDH Investments, with Sherpa Healthcare Partners, Jifeng Ventures and other investors participating. The funds will go to advancing core pipeline projects, its AI drug development platform and international expansion.
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