What are the requirements of Guangdong intermediate title evaluation for patents?

According to the knowledge of blank titles, the requirements for patents in Guangdong intermediate title evaluation are divided according to different majors as follows:

Engineering system: We have obtained two related invention patents 1 or utility model patents, and promoted them in 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.