Chuanheng Co., Ltd. announced that the company and its holding subsidiary Fulin Mining have recently received 4 patent certificates issued by the State Intellectual Property Office, including 2 utility model patents: a protection device for drone harvesting field scanning equipment, a precision equipment protective device to withstand explosive waves; 1 invention patent: a method for preparing monoammonium phosphate using extractive acid; and 1 utility model patent: a floating diversion mechanism for sewage treatment. The acquisition of the above patents is conducive to improving the intellectual property protection system and will not have a significant impact on the company's current business conditions.

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