Puheng Technology focuses on drug in vitro assessment technologies and is dedicated to developing drug development systems based on humanized in vitro 3D models. Leveraging the advantages of NAC-Organ technology, we are specializesd in creating models for chronic diseases, immune microenvironments, and pathological microenvironments. Currently, we have developed platforms for hepatotoxicity assessment, chronic liver disease evaluation, solid tumor evaluation, and drug delivery system testing. These platforms provide services including model development, target screening and validation, drug safety assessment, efficacy evaluation, and optimization of drug delivery systems to clients. The NAC-Organ technology platform has served multiple clinical institutions, research institutes, and pharmaceutical companies. We are committed to providing more precise, efficient, and cost-effective solutions for new drug development.