On October 27, 2023, at the 3rd China Safety and Emergency Technology Equipment Expo, a delegation led by Gong Weifang, Deputy Mayor of Xuzhou City, Member of the Party Leadership Group, Secretary of the Tongshan District Committee, and Secretary of the Party Work Committee of Xuzhou High-tech Zone, visited the Hanhai booth.

Comrade Shi Weizu, former national safety production supervisor of the State Administration of Work Safety and director of Jiangsu Provincial Safety Emergency Equipment Technology Innovation Center, discussed the application of Hanhai products in smart gas with Vice Mayor Gong and his party.

Deputy Mayor Gong highly recognized the application of Hanhai Laser products in the field of urban public safety, and hoped to integrate them into smart gas and actively create a "Xuzhou model" in the field of safety.