On May 8, 2019, a market supervision and inspection team composed of relevant departments of the municipal and district market supervision and administration bureaus came to Haoyuan to conduct on-the-spot supervision and inspection on the production site and special equipment management of four dangerous chemicals: liquid anhydrous ammonia, industrial methanol, industrial liquid carbon dioxide and sulphuric acid. Zhang Haisheng, deputy general manager of the company, accompanied by the head of quality department, power department and other relevant departments.

Zhang Haisheng reported to the inspection team the company's current safety production situation. Relevant persons in charge of various departments reported to the inspection team the management of the company's production license for dangerous chemicals and special equipment, and provided relevant bills for the inspection work.

Based on the principle of serving enterprises and effective supervision, the inspection team carried out a comprehensive and careful inspection of the import inspection, necessary equipment, process control and product inspection of the company's hazardous chemicals production license, and inspected the operation and management of special equipment on the spot, affirmed the production and operation management of the enterprise, and confirmed the on-site management and special features of the enterprise. Some constructive suggestions and suggestions are put forward for the supervision of the operation of various equipment.