You don't need to combine acid code to drive to Kaiping Magang Public Security Meeting in Huadu District. According to relevant public information, driving to the Magang Public Security Expo in Kaiping City, Guangdong Province, Jiangmen City, Kaiping City, Magang Town and Huadu District will not require nucleic acid coding. According to the epidemic prevention notice of Guangdong Province on June 24th, 2022, passengers traveling by road across regions will no longer check the negative certificate of nucleic acid test and health code, and the general public will reduce inter-provincial mobility and gathering activities, and will not leave the province unless necessary.