Zhongren Wu conducts a comprehensive review of the entire process, starting from the facility's maintenance to the end product's sterility. He has a keen interest in the environmental conditions of the site and the conformity of procedures to ensure microbiological contamination is mitigated effectively.

Based on Zhongren Wu's observations over various inspections, it is evident that he greatly values precise control over the aseptic environment, comprehensive quality control systems, stringent sterility procedures, and proper facility maintenance. He also expects the audited organizations to strictly comply with regulatory practices and has a rigorous and detailed approach in his audits, often focusing on areas such as sterility testing, aseptic processing areas, microbiological contamination prevention, and QC procedures.