On June 25-26, 2025, the seminar on the national standards "Liquid product packaging production line—General technical requirements for units interface" and "Automatic rotary PET bottle blow molding machine" which were organized by the National Technical Committee for Standardization of Packaging Machinery and the National Technical Committee for Standardization of Food Packaging Machinery and drafted by Guangzhou Tech-Long Packaging Machinery Co., Ltd. was grandly held at Guangzhou Huangpu Junlan Hotel. Chen Runjie, Secretary General of the National Technical Committee for Standardization of Packaging Machinery, Gu Xiaobin, Member of the Party Working Committee of Guangzhou Development Zone and Deputy Director of the Management Committee, Zhang Shuangai, Second Level Researcher of the Standardization Division of Guangzhou Administration for Market Regulation, Liu Fang, Senior Sponsor of Guangzhou Huangpu District Administration for Market Regulation, Qiu Jiajun, Chief of the Standardization Section of Guangzhou Huangpu District Administration for Market Regulation, Zhang Songming, Chairman of Guangzhou Tech-Long Packaging Machinery Co., Ltd., and Chen Gang, Vice Chairman, and other leaders attended the meeting. Expert representatives from universities and research institutions such as South China University of Technology, Guangdong Provincial Standardization Institute, and Guangzhou CESI Standard Testing Institute; user expert representatives including Coca-Cola, Eastroc, Danone, Langjiu, Jiangxi Runtian, Mengniu, Hongsheng, Yihai Kerry, Wahaha, Want Want, Trust Group, Swire Coca-Cola, COFCO Coca-Cola, Xiamen Yinlu, and Budweiser Asia Pacific; expert representatives from industry companies such as Nanjing Lehui, Jiangsu Newamstar, Hangzhou Zhongya, Hefei Zhongchen, Langfang BestCrown, Jiangsu Tom, Joyea, Jiangsu Tengtong, Hefei Yougao, Krones, Sidel, Tetra Pak, Combibloc, and Grandpak;