On 15 June, Geng Yan'an, Senior Vice President of the Company, attended the launch of China's first "Technical Standard for Charging and Switching of Construction Equipment for Transportation Infrastructure" in Chengdu. The technical standard was jointly released by Shu Dao Group, together with CALB and the Ministry of Transport's Institute of Highway Science. Tte standard will be officially implemented from 1 July 2022. 

The Standard is divided into three parts: General Provisions, Battery System and Complete Machine, Station End System and Safety. It addresses practical applications in the field of electrification of transportation infrastructure construction equipment. Uniform standardisation is carried out in the core technical areas of equipment structure and charging and switching interaction, power battery frame and bottom bracket, quick change connectors, communication protocols, multi-terminal identification, data security and risk warning. It is of guiding significance for the promotion and application of electric construction equipment in the industry and the exploration of business models.