From May 16 to 18, Liu Naijun, secretary of the Party Working Committee of the China-ROK Demonstration Zone, led a team to visit Zhongshan and Shenzhen, aiming to promote industrial cooperation and exchanges in the demonstration zone, and to boost its high-quality development.

On May 16, the team went to Zhongshan and Kaiping to visit Sinoscience Fullcryo Technology's tank truck, storage tank, and cryogenic refrigeration equipment factories. They gained a comprehensive understanding of the company's technical strength and process level in the fields of tank trucks, cryogenic storage tanks, and cryogenic refrigeration equipment.  Subsequently, they held a meeting with Zhu Cheng, chairman of the company, to explore potential cooperation opportunities.

On May 17, the team participated in the 17th China International Battery Fair. At the site, they visited the exhibition area of Dongchi New Energy Technology, a company in the China-ROK Demonstration Zone, to show their support. They also focused on connecting with leading companies in the new energy battery sector, including China Sodium Ionised Battery, Jinyu Xinneng, CATL and SEMCORP, to deeply explore cooperation opportunities and build a bridge for collaborative innovation in the upstream and downstream of the battery industry in the demonstration zone.

In addition, the team signed an agreement with Shenzhen Hynovation for project implementation and investment, injecting strong impetus into the development of the hydrogen energy industry in Changchun City and the China-ROK Demonstration Zone.

On May 18, the team visited the Han's Laser Global Intelligent Manufacturing Center. They extended an invitation to Han's Laser Technology Industry Group and its chairman, Gao Yunfeng, to attend the 2025 Changchun International Optoelectronic Expo, expressing hope for deeper cooperation and innovation in laser technology and market expansion.

This visit has laid a solid foundation for industrial cooperation in the China-ROK Demonstration Zone, which will promote breakthroughs in technological innovation and market expansion, and will contribute to the high-quality development of the demonstration zone.

Zhang Zhongcheng, deputy director of the China-ROK Demonstration Zone Management Committee, and officials from the Advanced Equipment Manufacturing Industry Office and Zhongke Company participated in the activities.