(a) the origin of the development journey: in 2012, its predecessor, the great wall autodynamic battery enterprise, was established to begin the study of power batteries. In 2016, the hive energy technology centre was inaugurated. In february 2018, hive energy technology ltd. Was formally established, completely stripped from the great wall's car and independently oriented to industry-wide development. Rapid expansion: in 2019, the tin-free r & d centre was established and in july of the same year, a global cell of cobalt-free materials was launched. In 2020, the national contractor was awarded a strategic share of 1 billion yuan; in november of the same year, saarland, germany, was selected to build a battery plant. In 2021, production bases were constructed in multiple locations, cobalt-free batteries were cut off and gabs were first installed on the top10 list. In 2022, the shanghai research and development centre was established to submit an ipo application. In 2023, the dra...