Hangzhou Jinghao Biotechnology

PTM Bio (Hangzhou Jingjie Biotechnology) is a leading biotechnology company specializing in protein post-translational modification (PTM) proteomics and the development of specialized antibodies. Founded in 2011 by scientists from the University of Chicago, the company has established a globally recognized platform that integrates high-resolution mass spectrometry with proprietary PTM-specific antibody technology. PTM Bio provides comprehensive proteomics services, including 4D-proteomics and multi-omics data integration, to support drug discovery, biomarker identification, and basic life science research. The company's product portfolio features a vast array of high-quality antibodies targeting various histone and non-histone modifications, which are essential for epigenetic research. Headquartered in Hangzhou, China, with a subsidiary in Chicago, PTM Bio serves thousands of academic and industrial clients worldwide. The company is also expanding into the clinical diagnostic market with PTM-based precision medicine solutions for oncology.