Recently, four utility model patents developed by our company, such as a device for recovering ammonia from ammonia containing waste gas and a low-pressure gas-phase extraction cooling device for melamine preparation, have been authorized by the State Intellectual Property Office. At present, a number of patents are being accepted, and the conversion rate of patent achievements has reached 100%. This is a vivid practice of our company for a long time to adhere to innovation driven, strengthen guarantee support and achievement transformation, and give birth to new development momentum with technological innovation. Up to now, our company has 75 national authorized patents, which has significantly improved the company's market competitive advantage and core competitiveness.