On the morning of June 29, Wu Chengbing, secretary of the Party Leadership Group and deputy director of the Provincial Market Supervision Bureau, visited Dongheng National Fiber to investigate the work related to market supervision such as quality brands and patents. Wang Xiufeng, deputy mayor of Dongying City, and Chen Guilin, secretary of the Party Leadership Group and director of Dongying City Market Supervision Bureau, accompanied the investigation. Yu Zhigang, the chief engineer of the company, received the visiting party.

Secretary Wu Chengbing and his party came to the exhibition hall of Dongheng, listened to the relevant report on the development of Dongheng's industry, and learned about Dongheng's main products, technological innovation, production and operation in detail. After listening to the detailed report, the company's process technology and quality management were highly evaluated. He also said that we should give full play to the advantages of intellectual property rights, do a good job in the construction of quality standardization, effectively improve the efficiency of enterprise industrial development, constantly promote enterprises to become better and stronger, and make greater contributions to regional economic development.