On May 18, 2023, ASME Joint Inspection team went to Jiangsu Chenghua Energy and Chemical Equipment Co., LTD., the manufacturing base of Chenghua Company, for a two-day ASME certificate renewal audit, which mainly focused on U and U2 steel seals, including document system audit, designer defense, workshop inspection and so on. The ASME Joint Inspection team was satisfied with the review and the company successfully completed the renewal and received the U and U2 steel seal certificates on June 24, 2023.