hello, dear, according to the requirements for the recycling license of catering waste oil, you need to apply for a hazardous waste business license. You can go to your local environmental protection department to handle it. To apply for a hazardous waste collection and operation license, the following conditions shall be met: (1) having rain-proof and seepage-proof means of transport; (2) Having packaging tools, transit and temporary storage facilities and equipment that meet the national or local environmental protection standards and safety requirements; (3) Having rules and regulations, pollution prevention measures and accident emergency rescue measures to ensure the safety of hazardous waste management.