Zley Holdings

Zley Holdings is a specialized biotechnology company focused on the development and manufacture of high-end pharmaceutical excipients and advanced drug delivery systems. The company provides a comprehensive range of products including PEG derivatives, high-purity phospholipids, and ionizable lipids essential for Lipid Nanoparticle (LNP) formulations used in mRNA vaccines and gene therapies. Zley Holdings operates state-of-the-art R&D and GMP manufacturing facilities in China, serving global pharmaceutical and biotech clients. Their expertise extends to CDMO services for complex injectable formulations and long-acting drug delivery technologies.