On April 12, 2024, Secretary Liu Naijun of the Party Working Committee of the China-ROK (Changchun) International Cooperation Demonstration Zone led a delegation to visit Han's Laser in Shenzhen.

Liu Naijun began by conveying greetings from Wang Zhihou, Chairman of the Standing Committee of Changchun Municipal People's Congress, to Han's Laser's Chairman Gao Yunfeng, and invited the company to participate in the 2024 Changchun International Optoelectronic Expo. He then briefed on the latest development situation in the Demonstration Zone and the R&D progress of the semi-solid-state battery project of Jilin Dongchi New Energy Technology Co., Ltd., a new energy battery manufacturer in the Demonstration Zone. Dongchi's Chairman Xie Haiming provided Gao Yunfeng with detailed information about their technical solution for new energy storage batteries, product features, production line equipment, and the expected time of products rolling off the production line.

Gao Yunfeng thanked Wang Zhihou for his attention to Han's Laser and appreciated the long-term support from Changchun and the Demonstration Zone. He promised to assign a dedicated liaison to coordinate with the Demonstration Zone and prepare for participation in the 2024 Changchun International Optoelectronic Expo. He also expressed strong interest in collaborating with Dongchi's semi-solid-state battery project and planned to investigate the project during the expo.

Liu Naijun committed to providing comprehensive service support for Han's Laser's participation in the expo and facilitating cooperation between Dongchi and Han's Laser.

The event was attended by Zhou Huiqiang, Deputy General Manager of Han's Laser, Du Keshi, Advisor of the Jilin Chamber of Commerce, Yue Ming, Investment Director of Han's Laser, Zhang Zhongcheng, Deputy Director of the Demonstration Zone Administration Committee, and relevant officials from the Government Office and the Bureau of Science, Industry and Information Technology.