On November 30, Lin Weichao, deputy director of Guangdong Provincial Commission of economy and information technology, led a team to Heshan City to carry out on-the-spot supervision and investigation. Li Yongzhan, member of the Standing Committee of the municipal Party committee and executive vice mayor, Lin Xibo, member of the Standing Committee of the municipal Party committee, director of the industrial city management committee and Secretary of the Gonghe town Party committee, Yu Zhonghua, director of Jiangmen Bureau of economy and information technology, and the person in charge of the Municipal Bureau of science, industry and Commerce participated in the investigation.

Lin Weichao and his party successively went to the World Games circuit, Dehe gas appliance, niuli machinery and Heshan industrial city for field investigation to deeply understand the production and operation of Heshan industrial enterprises, the construction of industrial parks and the development of high-tech enterprises. They also had a discussion with the leaders of niuli machinery, World Games circuit, Dehe gas appliance, Dongpeng Zhizao, Derun electronics and other enterprises, and listened carefully to the introduction and opinions and suggestions on the development of the enterprise.