How many patents do you need for the evaluation of intermediate professional titles in Guangdong Province?

According to the knowledge of the blank title, it is divided into engineering systems: two invention patents 1 or utility model patents related to this major are obtained and applied to production practice. Architectural Engineering Series: Obtained many utility model patents 1 related to this major, and promoted them in production practice. Mechanical Engineering Series: Obtained more than one utility model patent 1 or more than two design patents related to this major, and achieved remarkable social and economic benefits after implementation.