On May 22, 2020, director Zhou Qing and Minister LV Huijun of the Investment Promotion Bureau of the Management Committee of Nanjing Economic and Technological Development Zone visited Shanghai Dowell group to investigate Shanghai weizaozhitong Medical Technology Co., Ltd., a holding subsidiary of the group. Wang Yisu, Secretary of the group's president's office, and Zhong Fuwen administration participated in the reception. The project management personnel of weizaozhitong company introduced to the guests the development history of the group and the world's leading cerebrovascular interventional medical device project invested and introduced by the group. The two leaders were very optimistic about the future development prospect of the project in China and the product market prospect was broad. Director Zhou Qing also introduced the good investment environment of Nanjing Economic and Technological Development Zone, and said that he would strive to provide support for the development of enterprises in the park, play a good role as a service enterprise, and welcome Dowell group to invest.